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1
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Three, two, one. Action!
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00:00:23,940 --> 00:00:25,066
Since I was playing Thor...
3
00:00:26,484 --> 00:00:28,778
...I've definitely ate
a lot more food than I used to.
4
00:00:30,238 --> 00:00:31,558
Each meal is about 1000 calories.
5
00:00:31,698 --> 00:00:33,074
Ice cream.
6
00:00:34,409 --> 00:00:35,577
Big juicy steaks.
7
00:00:35,744 --> 00:00:37,120
Goes straight in there.
8
00:00:37,287 --> 00:00:40,915
Burgers, pad Thai, pasta, ribs.
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00:00:41,291 --> 00:00:47,047
Sausage rolls, pizza, cake, donuts,
hot dogs.
10
00:00:47,672 --> 00:00:50,341
When it comes to food,
I'm like a starving hound.
11
00:00:53,219 --> 00:00:54,512
Only less picky.
12
00:00:56,056 --> 00:00:58,892
I mean, I do know that what I put
into my body is important,
13
00:00:59,017 --> 00:01:02,103
but what I didn't know
is that the best thing I can eat
14
00:01:02,270 --> 00:01:06,107
if I wanna live a long and healthy life
is nothing.
15
00:01:06,941 --> 00:01:08,109
Absolutely nothing.
16
00:01:14,282 --> 00:01:16,493
Well, at least that's what
this guy says.
17
00:01:17,619 --> 00:01:20,371
Longevity expert, Dr. Peter Attia.
18
00:01:22,415 --> 00:01:23,416
Thank you very much.
19
00:01:23,500 --> 00:01:25,580
- We'll make this our last supper.
- Our last supper.
20
00:01:28,505 --> 00:01:32,008
For the next step in my quest
to live longer and better,
21
00:01:32,425 --> 00:01:36,554
he wants me to go on a fast.
It's basically water
22
00:01:36,638 --> 00:01:41,017
and zero calories for four days.
23
00:01:42,769 --> 00:01:45,188
Thank you... very much.
24
00:01:45,563 --> 00:01:46,815
Thank you.
25
00:01:47,607 --> 00:01:50,026
Right.
26
00:01:52,862 --> 00:01:56,449
Yeah, good thing I got to kick it off
with a hearty last supper.
27
00:01:56,699 --> 00:01:58,785
Six shreds of lettuce and a carrot.
28
00:02:00,620 --> 00:02:02,247
Look, I'm gonna do it with you.
29
00:02:02,413 --> 00:02:03,498
- You are?
- And... Yeah.
30
00:02:03,623 --> 00:02:05,893
It makes it a lot easier to go through
this with somebody else.
31
00:02:05,917 --> 00:02:07,043
- So...
- Okay, good.
32
00:02:07,127 --> 00:02:08,604
- Good, we'll suffer together.
- Yeah.
33
00:02:08,628 --> 00:02:10,505
We will.
34
00:02:11,005 --> 00:02:13,174
I've definitely gone a day
without food before.
35
00:02:14,884 --> 00:02:18,429
I think I get pretty cranky when...
...I've missed a meal.
36
00:02:20,431 --> 00:02:23,685
Certainly, detrimental to my happiness.
37
00:02:23,977 --> 00:02:27,313
So, it's a pretty long time,
why four days? Why not...
38
00:02:27,730 --> 00:02:29,440
Why not longer?
39
00:02:29,566 --> 00:02:32,443
I mean, what is the benefit
with four days? Why that number?
40
00:02:32,610 --> 00:02:37,490
Three to four days is probably
that window at which we do enough
41
00:02:37,574 --> 00:02:41,744
to change how your body is interacting
42
00:02:41,828 --> 00:02:45,748
with the absence of nutrients
to basically do kind of a reboot
43
00:02:45,874 --> 00:02:47,375
- on your system.
- Oh, really?
44
00:02:47,792 --> 00:02:49,520
You think I'm gonna be able
to hold it together?
45
00:02:49,544 --> 00:02:52,338
You reckon, in your experience,
you see a lot of people,
46
00:02:52,547 --> 00:02:54,340
the first time they do it, succeed?
47
00:02:54,632 --> 00:02:56,843
In the next four days, there is no doubt
in my mind,
48
00:02:56,968 --> 00:03:01,514
there will be a period of time
in which you feel sluggish or...
49
00:03:01,681 --> 00:03:03,057
- Tears?
- Yeah.
50
00:03:03,266 --> 00:03:05,810
- Emotional.
- Kinda grumpy, grouchy, whatever.
51
00:03:06,853 --> 00:03:08,789
But, you know, if you really stop to think
about it,
52
00:03:08,813 --> 00:03:11,065
this idea that we kind of live today
53
00:03:11,149 --> 00:03:14,277
where we're sort of surrounded
by unlimited access to food
54
00:03:14,360 --> 00:03:17,739
and we can eat three meals
and snack in between them,
55
00:03:17,906 --> 00:03:21,576
that's a relatively recent addition
to our species.
56
00:03:21,701 --> 00:03:24,662
- Right.
- And our ancestors would've gone days
57
00:03:24,746 --> 00:03:26,247
without food all the time,
58
00:03:26,331 --> 00:03:29,500
and not only did they have to do that,
they had the ability to,
59
00:03:29,709 --> 00:03:32,253
in a period of starvation,
actually go out and hunt.
60
00:03:35,632 --> 00:03:40,345
Right. I'm done. I have nothing left,
except for one tiny little carrot.
61
00:03:42,388 --> 00:03:44,390
You gonna finish that last piece left
of lettuce?
62
00:03:44,515 --> 00:03:46,475
Though, what about dessert?
We get dessert or not?
63
00:03:46,768 --> 00:03:48,102
No.
64
00:03:49,103 --> 00:03:53,191
Starting to think, this could be
the most difficult four days of my life.
65
00:03:57,570 --> 00:04:00,448
In truth, I think Chris will find
this hard.
66
00:04:01,282 --> 00:04:05,119
But I've been practicing periodic fasting
for many years, and in doing so,
67
00:04:05,203 --> 00:04:07,705
I've realized that the key
is staying busy.
68
00:04:08,665 --> 00:04:10,750
So I've thought
of an entirely appropriate challenge
69
00:04:10,875 --> 00:04:15,838
to help distract Chris from his hunger.
I want him to do what his ancestors did.
70
00:04:16,381 --> 00:04:17,966
I want him to hunt for his next meal.
71
00:04:19,259 --> 00:04:23,221
But not on land. Instead, in the ocean.
72
00:04:29,769 --> 00:04:32,855
So, the plan is, that after four days
without food...
73
00:04:35,400 --> 00:04:37,360
we're gonna head
for the Great Barrier Reef.
74
00:04:43,074 --> 00:04:44,993
I'm gonna be armed with a lungful
of air...
75
00:04:51,874 --> 00:04:53,001
and a speargun...
76
00:04:54,085 --> 00:04:56,838
I'm gonna try and dive 30 feet
to the ocean floor...
77
00:04:58,423 --> 00:04:59,424
in search of a fish.
78
00:05:01,718 --> 00:05:02,958
So, there's no pressure at all.
79
00:05:10,560 --> 00:05:11,644
Thanks a lot, Pete.
80
00:05:21,654 --> 00:05:22,905
This is day one of the fast.
81
00:05:24,324 --> 00:05:27,744
I had a good sleep,
I had probably seven... seven hours.
82
00:05:28,161 --> 00:05:29,245
I did dream about fasting,
83
00:05:29,329 --> 00:05:31,497
which was weird
'cause I wasn't in a fasted state.
84
00:05:31,956 --> 00:05:34,393
Fed the kids bacon and eggs this morning,
that was a little tempting,
85
00:05:34,417 --> 00:05:39,088
but it's early days
and I don't feel a huge threat
86
00:05:39,255 --> 00:05:42,050
at this point of breaking
my four-day fast.
87
00:05:42,592 --> 00:05:44,653
I'm gonna get rid of the dog though,
just in case he does...
88
00:05:44,677 --> 00:05:46,596
...eat it.
89
00:05:46,679 --> 00:05:49,359
The dog will start to look like
a roast chicken or something, right?
90
00:05:50,266 --> 00:05:53,728
Yeah, yeah. No, we wouldn't eat her,
unless we really had to.
91
00:05:54,437 --> 00:05:57,982
At first, Chris will feel fine.
He'll be working off the energy
92
00:05:58,066 --> 00:06:03,654
from his last meal. But once that's gone,
he's gonna start to feel a lot worse.
93
00:06:04,197 --> 00:06:05,990
But I'm gonna want him to stick with this,
94
00:06:06,491 --> 00:06:10,119
because, of all the things that we can do
to impact Chris's longevity,
95
00:06:10,536 --> 00:06:13,664
periodic fasting may be one
of the more effective.
96
00:06:18,669 --> 00:06:20,797
My food contains glucose.
97
00:06:22,924 --> 00:06:26,094
The fuel that feeds the trillions
of healthy cells in my body.
98
00:06:29,097 --> 00:06:31,682
But that glucose also feeds
something else...
99
00:06:33,476 --> 00:06:34,644
zombie cells.
100
00:06:35,311 --> 00:06:39,440
Old, damaged cells that have lingered
beyond their useful life.
101
00:06:40,024 --> 00:06:46,322
By spewing toxic sludge, these zombies
infect other healthy cells,
102
00:06:46,906 --> 00:06:48,991
speeding up the aging process.
103
00:06:51,411 --> 00:06:53,871
Everything from hair loss and wrinkles
104
00:06:54,122 --> 00:06:57,708
to the onset of arthritis, cancer,
and dementia.
105
00:06:59,794 --> 00:07:03,881
But what scientists have realized
is that when we fast and cut off
106
00:07:03,965 --> 00:07:05,299
the supply of glucose,
107
00:07:05,842 --> 00:07:10,638
that zombie army is starved of energy
which saps them of their power.
108
00:07:13,182 --> 00:07:15,143
It's long-term gain
109
00:07:15,226 --> 00:07:16,477
for short-term pain.
110
00:07:17,603 --> 00:07:20,940
For a food lover like me, lots of pain.
111
00:07:26,696 --> 00:07:27,697
Yeah, I'm hungry.
112
00:07:29,031 --> 00:07:30,992
We are not gonna make it.
113
00:07:31,617 --> 00:07:34,328
And by "we," I mean me
and my best mates.
114
00:07:36,164 --> 00:07:40,251
If anybody can help me get through this,
they can, so I'm very, very pleased
115
00:07:40,334 --> 00:07:42,837
and thankful that they've agreed
to fast with me.
116
00:07:43,129 --> 00:07:45,256
We're buddies from high school...
117
00:07:45,506 --> 00:07:47,508
- Yeah.
- ...primary school to Chris.
118
00:07:47,717 --> 00:07:49,302
- I'm Aaron. This is Luke.
- Yep.
119
00:07:49,469 --> 00:07:50,887
And now we work for Chris.
120
00:07:50,970 --> 00:07:53,931
- So we're paid friends, really.
- Yes. With benefits.
121
00:07:54,015 --> 00:07:55,993
- With benefits, and, yeah...
- We're a little family.
122
00:07:56,017 --> 00:07:57,393
We're a little family.
123
00:07:57,602 --> 00:07:59,322
Having a bit of moral support
could be good.
124
00:08:00,146 --> 00:08:02,166
Are you doing it all the way?
Aaron, you're doing four days.
125
00:08:02,190 --> 00:08:03,232
- Yeah.
- Yeah.
126
00:08:03,357 --> 00:08:04,942
- No.
- No, you're gonna try.
127
00:08:05,109 --> 00:08:06,235
Yeah, I'll try.
128
00:08:09,071 --> 00:08:11,091
- He loves his food.
- The angriest he's ever got at me
129
00:08:11,115 --> 00:08:12,825
was because I bought him too small...
130
00:08:12,909 --> 00:08:14,494
...a steak once, in London.
131
00:08:14,994 --> 00:08:18,206
He almost punched me out
'cause it was like that, and he was like,
132
00:08:18,289 --> 00:08:20,517
"Look at the size of me.
Why would you buy me that steak?"
133
00:08:20,541 --> 00:08:22,126
I mean, he's not gonna do four days.
134
00:08:25,338 --> 00:08:26,881
I'm cracking.
135
00:08:27,924 --> 00:08:29,842
We're days away from eating, not, like,
hours.
136
00:08:30,009 --> 00:08:33,554
It's not like we can go home
and smash a big bowl of spaghetti.
137
00:08:35,515 --> 00:08:41,854
Forget pasta, our next meal,
with a bit of luck, is a big, juicy fish.
138
00:08:46,984 --> 00:08:49,278
But if I'm gonna be
the designated fish catcher...
139
00:08:50,279 --> 00:08:52,198
I'll need some serious dive training.
140
00:08:53,908 --> 00:08:57,453
So, Peter has hooked me up with someone
with a remarkable set of skills.
141
00:08:59,455 --> 00:09:03,543
I'll give you a brief demo.
I'm gonna start with a really big exhale.
142
00:09:04,293 --> 00:09:06,879
Wow.
143
00:09:19,684 --> 00:09:20,977
- Huge expansion there.
- Okay.
144
00:09:21,060 --> 00:09:22,353
That was incredible.
145
00:09:25,231 --> 00:09:28,734
Tanya Streeter
is a breath-holding phenomenon.
146
00:09:31,195 --> 00:09:33,573
She's a ten-time
free diving world champion...
147
00:09:36,450 --> 00:09:39,370
and can hold her breath
for an amazing six minutes.
148
00:09:43,040 --> 00:09:47,336
What we do as average human beings,
is we breathe in the top part
149
00:09:47,628 --> 00:09:50,965
of our chest, but you're not getting a lot
of oxygen into your blood like that.
150
00:09:51,132 --> 00:09:53,884
There's a greater capacity
in the lower part of your lungs,
151
00:09:54,176 --> 00:09:58,180
and you can't access that
unless you relax your abs.
152
00:09:58,681 --> 00:10:03,311
You basically learn to stick
your stomach out as you breathe in.
153
00:10:18,242 --> 00:10:21,203
- All right, how're you feeling?
- Ready to set some records.
154
00:10:21,454 --> 00:10:22,622
Let's do it.
155
00:10:31,255 --> 00:10:33,215
So, is that the goal,
the orange thing there?
156
00:10:33,341 --> 00:10:35,092
Sure, there and back, man.
157
00:10:35,176 --> 00:10:36,594
And what's that, about 50 meters?
158
00:10:36,719 --> 00:10:39,013
- No, that's about 100 meters.
- Oh, is it?
159
00:10:39,430 --> 00:10:40,910
Be rather claustrophobic under there.
160
00:10:41,557 --> 00:10:44,226
Yeah. We've linked up a guideline,
'cause it's pretty dark,
161
00:10:44,310 --> 00:10:46,371
but it gives me an opportunity to see
what you're made of,
162
00:10:46,395 --> 00:10:49,565
- mentally as well as physically.
- Okay, we'll see.
163
00:10:57,448 --> 00:10:59,008
All right, whenever you're ready,
Chris.
164
00:11:10,586 --> 00:11:15,883
It was really poor visibility
and instantly, my lungs are burning.
165
00:11:27,520 --> 00:11:29,188
I hear in my head...
166
00:11:29,814 --> 00:11:31,816
that I should give up
and I'm running out of air.
167
00:11:36,570 --> 00:11:38,989
And I'm trying to override that
'cause I know
168
00:11:39,073 --> 00:11:41,784
that there is a lot more oxygen
in my lungs than you'd think.
169
00:11:47,873 --> 00:11:49,959
And surely, I must be there by now.
170
00:11:56,257 --> 00:11:58,342
- Almost halfway.
- I don't think so.
171
00:11:59,969 --> 00:12:02,555
- Not even close. Twenty meters.
- How many meters was that?
172
00:12:03,431 --> 00:12:04,932
I don't think you quite made it 20.
173
00:12:06,058 --> 00:12:08,686
Yeah, I'm a little disappointed.
174
00:12:08,894 --> 00:12:13,232
Turns out, I was under
for a whopping 27 seconds.
175
00:12:17,361 --> 00:12:20,281
I'm actually quite surprised
how ineffective and useless
176
00:12:20,448 --> 00:12:21,824
my free diving skills are.
177
00:12:22,366 --> 00:12:26,036
I know I can hold my breath on land
for a few minutes, but, in the water,
178
00:12:26,162 --> 00:12:28,748
when you're kicking and using up air
and energy,
179
00:12:28,831 --> 00:12:31,375
it's... it's just a whole different story.
180
00:12:33,085 --> 00:12:36,046
Diving for my dinner is gonna be harder
than I thought.
181
00:12:38,799 --> 00:12:40,009
Speaking of food...
182
00:12:49,810 --> 00:12:51,228
...I don't even like broccoli.
183
00:13:04,158 --> 00:13:05,993
And even though I've got homework to do...
184
00:13:07,119 --> 00:13:12,666
without mealtimes to punctuate the day,
time just seems to drag on.
185
00:13:18,881 --> 00:13:23,636
It's, uh, almost dinnertime,
and this is the worst I've felt.
186
00:13:25,221 --> 00:13:32,186
Feel pretty light-headed...
...super weak and incredibly hungry.
187
00:13:42,780 --> 00:13:45,491
I feel tired. I didn't sleep very well.
188
00:13:45,574 --> 00:13:47,451
I woke up a lot feeling really hungry
189
00:13:47,618 --> 00:13:48,661
and then, um...
190
00:13:50,162 --> 00:13:53,040
I... You know, feel empty, empty of food.
191
00:13:53,123 --> 00:13:56,919
Almost as if I'm empty of, like, energy.
Feel very flat.
192
00:13:57,294 --> 00:14:00,673
Now, cooking this. I feel hungry.
193
00:14:02,675 --> 00:14:03,884
Why can't you eat?
194
00:14:04,051 --> 00:14:05,302
'Cause I'm not supposed to eat.
195
00:14:05,845 --> 00:14:07,513
For how long, Dad?
196
00:14:07,888 --> 00:14:08,931
Four days, bro.
197
00:14:09,557 --> 00:14:10,599
Why?
198
00:14:10,683 --> 00:14:15,729
I'm not even remotely tempted
by this delicious, crispy bacon and eggs.
199
00:14:19,525 --> 00:14:23,737
The second day of a water-only fast
is an especially difficult day.
200
00:14:24,113 --> 00:14:28,242
And the reason for this is that
the body's primary reserves of glucose,
201
00:14:28,450 --> 00:14:30,327
which are kept in the liver
and in the muscles,
202
00:14:30,494 --> 00:14:34,081
are starting to get rapidly depleted.
And as a result of this,
203
00:14:34,164 --> 00:14:36,333
Chris is feeling really tired and groggy.
204
00:14:37,084 --> 00:14:40,212
But it's important for him to understand
that this is okay,
205
00:14:40,588 --> 00:14:42,840
because there are some people
who routinely do this
206
00:14:42,965 --> 00:14:46,927
and not only do they not starve,
but they actually manage to thrive.
207
00:15:00,691 --> 00:15:02,651
Hey...
You missed...
208
00:15:05,821 --> 00:15:06,864
Listen son,
209
00:15:06,947 --> 00:15:09,909
if you can't hit the target,
210
00:15:09,992 --> 00:15:11,118
the village won't eat.
211
00:15:12,202 --> 00:15:13,245
Try again.
212
00:15:16,332 --> 00:15:17,666
I'll try my best Dad...
213
00:15:18,292 --> 00:15:19,877
Yeah, well done.
214
00:15:20,669 --> 00:15:23,297
Isafiri is a member
of the Hadza tribe.
215
00:15:28,594 --> 00:15:29,803
He's a hunter.
216
00:15:33,057 --> 00:15:34,808
We are hungry,
217
00:15:34,892 --> 00:15:36,769
and we have run out of food.
218
00:15:37,186 --> 00:15:39,063
Yeah, okay.
219
00:15:39,229 --> 00:15:40,981
I will hunt tomorrow.
220
00:15:41,273 --> 00:15:45,069
I will catch something big.
221
00:15:48,280 --> 00:15:53,077
Being hungry
is part of life here.
222
00:15:53,994 --> 00:15:55,274
Sometimes we don't eat for days.
223
00:15:56,413 --> 00:15:57,748
But we are not afraid.
224
00:15:58,540 --> 00:16:01,126
Because I know we won't starve.
225
00:16:04,922 --> 00:16:06,548
Look, we should hunt there...
226
00:16:07,299 --> 00:16:09,593
Come around from the side.
227
00:16:14,556 --> 00:16:15,808
Being hungry...
228
00:16:18,268 --> 00:16:19,603
makes me a better hunter.
229
00:16:24,692 --> 00:16:28,070
Even after days
without food, people like the Hadza
230
00:16:28,153 --> 00:16:30,572
are still able to find the energy
to hunt...
231
00:16:31,699 --> 00:16:33,784
Look, dik-dik antelop
e has taken a poop.
232
00:16:34,284 --> 00:16:35,953
...because
when a person fasts,
233
00:16:36,704 --> 00:16:37,997
when you stop eating...
234
00:16:38,205 --> 00:16:41,417
I think he is close by.
235
00:16:42,084 --> 00:16:44,628
...it reveals
the body's superpower.
236
00:16:46,171 --> 00:16:49,425
When food is plentiful,
our body stores excess energy
237
00:16:49,508 --> 00:16:53,512
in the form of fat under the skin
and around the internal organs.
238
00:16:54,972 --> 00:16:56,348
When food is scarce...
239
00:16:59,226 --> 00:17:00,978
that fat is sent to the liver...
240
00:17:05,649 --> 00:17:09,361
where it's turned into an alternative
fuel source called a ketone.
241
00:17:09,778 --> 00:17:13,699
And it's these ketones which provide
the emergency power source.
242
00:17:13,866 --> 00:17:17,995
Not only for our bodies,
but also our brains.
243
00:17:24,585 --> 00:17:26,253
Along with an energy boost,
244
00:17:26,420 --> 00:17:29,548
it seems ketones also sharpen
mental focus.
245
00:17:32,092 --> 00:17:35,554
Heightening the ability to see, hear...
246
00:17:37,139 --> 00:17:39,183
and sense things in the environment...
247
00:17:42,269 --> 00:17:44,396
that we normally wouldn't be able
to perceive.
248
00:17:46,899 --> 00:17:49,151
And ketone production ramps up...
249
00:17:51,820 --> 00:17:54,698
just when a hunter needs it most.
250
00:17:56,366 --> 00:17:57,785
The dik-dik is in there...
251
00:18:01,455 --> 00:18:03,123
When you're getting closer,
252
00:18:05,209 --> 00:18:08,670
your mind becomes alert to the wild.
253
00:18:10,422 --> 00:18:12,549
The animal is your only goal.
254
00:18:37,032 --> 00:18:38,534
Yes. It's a dik-dik.
255
00:18:39,201 --> 00:18:40,744
We got it, we got it!
256
00:18:51,797 --> 00:18:53,757
Everyone is happy.
257
00:18:55,092 --> 00:18:56,385
When I bring home meat.
258
00:19:00,806 --> 00:19:02,307
Our children
259
00:19:04,101 --> 00:19:05,519
and our wives are happy.
260
00:19:05,769 --> 00:19:06,979
Everyone is happy.
261
00:19:09,606 --> 00:19:12,276
Ketones help
the Hadza hunt when food is scarce.
262
00:19:14,695 --> 00:19:17,698
And I'm pretty sure I'm gonna need
some ketones of my own
263
00:19:18,031 --> 00:19:20,409
if I'm gonna catch a fish
in two days' time.
264
00:19:23,537 --> 00:19:24,830
Little prick here.
265
00:19:32,296 --> 00:19:33,505
Didn't hurt that much.
266
00:19:35,048 --> 00:19:37,634
So, I'm checking ketones
on two different meters.
267
00:19:38,844 --> 00:19:41,096
They're in pretty good agreement
at about one,
268
00:19:41,430 --> 00:19:43,140
and over time, this will go up.
269
00:19:43,432 --> 00:19:45,285
- There's more of them in my system now?
- Yeah.
270
00:19:45,309 --> 00:19:46,435
Or I'm producing more?
271
00:19:46,560 --> 00:19:49,104
Exactly. Actually,
around ten times more.
272
00:19:50,522 --> 00:19:52,274
- And that's pretty low.
- Right.
273
00:19:52,649 --> 00:19:56,570
But hopefully today, tomorrow
is when we'll start to see that transition
274
00:19:56,737 --> 00:19:58,131
- where once you get over...
- Yeah.
275
00:19:58,155 --> 00:20:00,449
...two and into three,
that's when you start
276
00:20:00,532 --> 00:20:03,219
to kinda feel, like you're in the Matrix
a little bit. You kinda seeing things
277
00:20:03,243 --> 00:20:04,523
- a little bit different.
- Yeah.
278
00:20:04,912 --> 00:20:06,192
And what about the zombie cells?
279
00:20:06,246 --> 00:20:08,832
Do you think my body's getting rid of them
at the moment?
280
00:20:08,999 --> 00:20:10,727
You're in the process of starting that,
yeah.
281
00:20:10,751 --> 00:20:12,729
- I... I think that comes in hand...
- Good to know.
282
00:20:12,753 --> 00:20:15,422
...with this transition to, uh, ketones,
283
00:20:15,672 --> 00:20:19,301
and so, as the body starts
sort of adapting to what's going on...
284
00:20:19,384 --> 00:20:21,011
...it's gonna start to reprioritize
285
00:20:21,094 --> 00:20:23,597
and hopefully, it's knocking
those guys out.
286
00:20:23,847 --> 00:20:24,890
Good.
287
00:20:27,851 --> 00:20:29,686
So, the war on zombies has begun...
288
00:20:30,687 --> 00:20:32,481
but no ketone boost yet.
289
00:20:33,941 --> 00:20:38,153
Which is a little worrying 'cause I'm off
for more dive training.
290
00:20:38,445 --> 00:20:40,572
Can't say I'm swimming in energy.
291
00:20:40,822 --> 00:20:43,242
I'm... My ability to speak is...
292
00:20:43,408 --> 00:20:46,703
...rapidly declining.
How do you guys feel?
293
00:20:47,287 --> 00:20:49,998
Yeah, it's kinda peaks and troughs,
isn't it?
294
00:20:50,082 --> 00:20:52,268
- It is a definite a roller coaster.
- It's like... It's a real...
295
00:20:52,292 --> 00:20:54,127
It's a roller coaster of emotions. Uh-huh.
296
00:20:54,253 --> 00:20:55,921
At the moment, I'm up, but there will be
297
00:20:56,004 --> 00:20:57,756
a time tonight when I'm down.
298
00:21:06,390 --> 00:21:09,268
So, another Peter
and Tanya training gig.
299
00:21:11,270 --> 00:21:13,522
This time, underwater hockey.
300
00:21:21,989 --> 00:21:23,991
They say it's gonna help me
catch a fish.
301
00:21:24,908 --> 00:21:26,702
- Hey, guys.
- Hey, how's it going?
302
00:21:27,160 --> 00:21:30,289
They also think, maybe it'll help
keep my mind off the fast.
303
00:21:33,292 --> 00:21:34,876
Well, it ain't working.
304
00:21:36,295 --> 00:21:39,172
What else would you wanna do
when you're fasting, tired, and starving?
305
00:21:39,464 --> 00:21:40,924
Learn a new sport.
306
00:21:41,591 --> 00:21:45,679
And nothing against underwater hockey,
it's cool, but right now,
307
00:21:45,971 --> 00:21:47,139
I just wanna eat.
308
00:21:56,148 --> 00:21:58,442
Now, it's rough down there,
but it's actually really good
309
00:21:58,525 --> 00:22:00,962
for spearfishing. There's
this sudden burst of energy, there's...
310
00:22:00,986 --> 00:22:02,321
- Yeah.
- You know, you don't know
311
00:22:02,404 --> 00:22:05,049
when you're gonna have to dive,
so you have to be super, super efficient.
312
00:22:05,073 --> 00:22:06,116
- Oh, okay.
- Okay?
313
00:22:06,199 --> 00:22:07,534
Yeah.
314
00:22:07,701 --> 00:22:09,077
Peter's playing for the reds.
315
00:22:12,122 --> 00:22:14,249
Me for the blues. Number seven.
316
00:22:16,251 --> 00:22:19,338
And my co-fasting best buddies,
cheerleaders.
317
00:22:25,177 --> 00:22:28,180
I feel like I'm watching my son go off
to battle or something. I'm nervous.
318
00:22:28,263 --> 00:22:29,991
- I'm real anxious.
- I'm just worried about...
319
00:22:30,015 --> 00:22:31,576
I'm worried about that
because without that...
320
00:22:31,600 --> 00:22:33,810
- We don't have a job.
- ...we don't have a job, so...
321
00:22:33,894 --> 00:22:35,580
- We can't really...
- Look after his face, please.
322
00:22:35,604 --> 00:22:36,764
Don't touch his face, please.
323
00:22:43,945 --> 00:22:45,364
Things don't start so well.
324
00:22:46,865 --> 00:22:50,202
He's taking a beating.
325
00:22:51,119 --> 00:22:52,788
Now, holding your breath is one thing...
326
00:22:53,163 --> 00:22:57,876
but doing it while being pushed
and shoved, and thrown around, and so on,
327
00:22:57,959 --> 00:22:59,252
it's just a whole other thing.
328
00:23:00,003 --> 00:23:01,088
It's pretty intense.
329
00:23:06,927 --> 00:23:08,845
My need for air is overpowering.
330
00:23:16,853 --> 00:23:19,689
If that puck was a fish,
I wouldn't get anywhere near it.
331
00:23:28,490 --> 00:23:30,534
Well done, Peter.
332
00:23:31,159 --> 00:23:32,244
Good goal.
333
00:23:35,831 --> 00:23:39,000
Half time, and it couldn't have
come quick enough.
334
00:23:43,422 --> 00:23:45,173
- How are you doing?
- It's exhausting.
335
00:23:45,340 --> 00:23:47,384
- I know.
- Just trying to work out,
336
00:23:47,551 --> 00:23:50,351
you know, when to conserve your energy,
and when to dive, and make sure
337
00:23:50,387 --> 00:23:52,615
you dive when the puck's coming
as opposed to waiting under there
338
00:23:52,639 --> 00:23:54,700
- and then by the time it gets there...
- Yeah. Yeah. No, no!
339
00:23:54,724 --> 00:23:57,036
- ...you've got nothing left. It's like...
- Yeah. No waiting.
340
00:23:57,060 --> 00:23:58,496
But you got all the oxygen you need,
341
00:23:58,520 --> 00:24:00,123
- so it's mental. Your stamina becomes...
- Yeah.
342
00:24:00,147 --> 00:24:01,387
...really mental at this point.
343
00:24:01,481 --> 00:24:02,774
Sure. Yeah.
344
00:24:02,858 --> 00:24:05,652
Okay? So, just try to
take some long, slow, deep breaths. So...
345
00:24:05,819 --> 00:24:09,197
Through your mouth.
346
00:24:13,702 --> 00:24:15,203
- Do you feel better?
- I feel good.
347
00:24:15,495 --> 00:24:16,746
Okay, good.
348
00:24:18,874 --> 00:24:20,459
Okay.
349
00:24:33,096 --> 00:24:34,848
I don't know
if it's the half time coaching
350
00:24:34,973 --> 00:24:36,266
or something else...
351
00:24:37,934 --> 00:24:40,312
but I feel a little different.
352
00:24:45,984 --> 00:24:47,652
My need for air is less urgent.
353
00:24:51,281 --> 00:24:52,824
I feel more efficient in the water.
354
00:24:55,285 --> 00:24:57,579
More aware of the other players around me.
355
00:24:59,372 --> 00:25:00,999
And I'm focused on the puck.
356
00:25:06,463 --> 00:25:09,758
And I feel a slight surge of energy.
357
00:25:11,468 --> 00:25:12,677
Just enough...
358
00:25:15,138 --> 00:25:16,306
to score.
359
00:25:35,116 --> 00:25:37,410
- How do you feel?
- I feel all right now.
360
00:25:37,494 --> 00:25:39,079
- Yeah.
- I feel much better than I did
361
00:25:39,246 --> 00:25:40,455
- prior to playing.
- Me, too.
362
00:25:40,580 --> 00:25:41,623
Yeah. Why is that?
363
00:25:41,998 --> 00:25:43,976
I think we're probably making more ketones
at the moment,
364
00:25:44,000 --> 00:25:45,603
our bodies are trying
to ramp up production.
365
00:25:45,627 --> 00:25:47,730
- It's basically saying...
- It thinks... thinks we're hunting..
366
00:25:47,754 --> 00:25:48,954
- Exactly, it's like...
- Yeah.
367
00:25:49,047 --> 00:25:51,359
..."Hey, they're... they're hunting.
They're getting us food." Um...
368
00:25:51,383 --> 00:25:53,069
I wouldn't be surprised if in an hour
or two,
369
00:25:53,093 --> 00:25:54,553
- we feel a little worse.
- Yeah.
370
00:25:54,970 --> 00:25:56,850
'Cause it'll realize,
"We haven't got the food."
371
00:25:56,930 --> 00:25:58,473
"We've been kinda let down,"
372
00:25:58,557 --> 00:26:00,243
and... and then, sort of,
that production level
373
00:26:00,267 --> 00:26:01,726
will come down a bit.
374
00:26:07,065 --> 00:26:08,733
That doesn't help though, does it?
375
00:26:09,276 --> 00:26:10,819
Oh, for heaven's sakes.
376
00:26:12,237 --> 00:26:14,573
Just as I was beginning to feel
a bit better...
377
00:26:14,739 --> 00:26:16,157
They're doing it on purpose.
378
00:26:16,241 --> 00:26:18,159
A familiar feeling returns.
379
00:26:18,785 --> 00:26:21,246
See, now I'm hungry again.
380
00:26:21,329 --> 00:26:23,331
Still, at least my best mates
are fasting with me.
381
00:26:24,457 --> 00:26:25,709
And they never let me down.
382
00:26:39,931 --> 00:26:41,975
- Hey, Chris!
- Hey!
383
00:26:43,268 --> 00:26:44,269
What the...
384
00:26:44,477 --> 00:26:47,314
Sorry, mate, we couldn't do it.
This is so good.
385
00:26:47,731 --> 00:26:48,857
Are you.
386
00:26:49,733 --> 00:26:51,109
Come and have a slice, mate.
387
00:26:51,276 --> 00:26:54,112
Two minutes ago, I was like,
"It really helps the guys
388
00:26:54,279 --> 00:26:56,406
"are doing it with me, you know,
'cause I'm like...
389
00:26:56,656 --> 00:26:58,718
"I'm like feeling sluggish."
I'm like, "Oh, I feel bad."
390
00:26:58,742 --> 00:27:00,678
But then I'm like, "Oh, actually,
they're laughing..."
391
00:27:00,702 --> 00:27:02,203
"...and I gotta keep it up."
392
00:27:02,287 --> 00:27:05,207
You know, "We're all in this tog...
together." That was three minutes ago.
393
00:27:05,749 --> 00:27:07,310
And I'd love to tell you
it's not that good,
394
00:27:07,334 --> 00:27:09,127
but it's honestly the best thing ever.
395
00:27:09,961 --> 00:27:12,023
- What, I thought you were fasting?
- That's what I said.
396
00:27:12,047 --> 00:27:14,734
Both of them were fasting. I said to them,
like, I... like, I... like, I...
397
00:27:14,758 --> 00:27:15,925
Just have a smell of that.
398
00:27:16,635 --> 00:27:18,970
- Cool.
- I gotta say, I really thought
399
00:27:19,054 --> 00:27:20,138
you were gonna hang tough.
400
00:27:20,221 --> 00:27:23,433
I was gonna, but then this is
the best milkshake I've ever had.
401
00:27:23,642 --> 00:27:25,560
- Good luck finding...
- Oh, my God.
402
00:27:26,436 --> 00:27:28,772
I can smell the pizza. I'll just go away.
I can smell it.
403
00:27:38,448 --> 00:27:42,327
Great, my best buddies have bailed,
and just as Peter predicted,
404
00:27:42,410 --> 00:27:47,207
the ketone pick-me-up has gone,
and I feel terrible.
405
00:27:47,457 --> 00:27:50,669
Okay, so this is, uh, day three.
406
00:27:51,127 --> 00:27:54,172
Feeling pretty weak.
Didn't sleep very much last night.
407
00:27:54,255 --> 00:27:55,983
I feel like my sleep's getting worse
and worse.
408
00:27:56,007 --> 00:27:58,718
You know, last night was really hard,
giving the kids dinner.
409
00:27:58,802 --> 00:28:05,350
They had, um, delicious, like, roast lamb,
and vegetables, and... and fruit, and...
410
00:28:06,184 --> 00:28:08,311
and I saw a chocolate brownie
in there somewhere.
411
00:28:09,104 --> 00:28:13,817
Multiple occasions, I... I... I...
I thought about just ripping that food
412
00:28:13,900 --> 00:28:16,653
straight out of their hands.
Feel pretty weak trying to walk up
413
00:28:16,820 --> 00:28:21,032
the stairs, trying to walk down the hall,
I feel like it's tough to catch my breath.
414
00:28:21,116 --> 00:28:25,370
Uh, but, you know, day three, and, um...
415
00:28:26,830 --> 00:28:28,623
I guess we're almost there. It's only...
416
00:28:30,041 --> 00:28:36,256
12, 48, I don't know, I can't even think.
Like, I... Don't know.
417
00:28:38,717 --> 00:28:40,301
I'm losing it.
418
00:28:54,899 --> 00:28:59,279
I'm trying to get my ketones going again
by working out, but I'm feeling nothing.
419
00:29:09,080 --> 00:29:13,168
Oh, and did I mention that I'm feeling
really, really hungry? Hmm?
420
00:29:18,047 --> 00:29:21,551
I don't think Chris has found this
to be a pleasant experience at all.
421
00:29:22,260 --> 00:29:23,803
But a big part of fasting...
422
00:29:23,887 --> 00:29:25,930
...is understanding
why you're doing it.
423
00:29:26,473 --> 00:29:28,808
And that's the key to tolerating
this thing.
424
00:29:29,100 --> 00:29:32,687
It's being able to focus on the motivation
behind the fast.
425
00:29:33,897 --> 00:29:36,441
One of the benefits is,
you have a family.
426
00:29:36,524 --> 00:29:38,276
- Yeah.
- And you can sort of see
427
00:29:38,401 --> 00:29:42,405
how much you enjoy that,
and that's kind of the anchor,
428
00:29:42,572 --> 00:29:43,948
- I think, um...
- Yeah.
429
00:29:44,324 --> 00:29:48,161
You can actually look into the eyes
of the people for whom it matters
430
00:29:48,244 --> 00:29:49,370
the most to you.
431
00:29:49,579 --> 00:29:52,457
Yeah, sure. I like that motivation,
you know?
432
00:29:52,624 --> 00:29:54,226
Anything that stops me thinking about food
433
00:29:54,250 --> 00:29:57,545
is sort of a... a good thing
at this point, so...
434
00:29:59,339 --> 00:30:06,054
Asking Chris for his very first fast to go
as long as four days is a big ask.
435
00:30:13,561 --> 00:30:15,814
But I really need him to continue now.
436
00:30:18,024 --> 00:30:21,152
Because once a human goes three days
without food,
437
00:30:21,694 --> 00:30:26,199
we think some remarkable
biochemical changes take place
438
00:30:26,825 --> 00:30:29,410
that have significant longevity benefits.
439
00:30:33,498 --> 00:30:36,584
Remember those toxic zombie cells
aging my body?
440
00:30:37,001 --> 00:30:39,754
Well, they're not the only things
getting dealt with.
441
00:30:40,380 --> 00:30:43,675
Even inside my healthy cells,
there's wear and tear.
442
00:30:44,509 --> 00:30:47,303
But scientists think that without food
to process,
443
00:30:47,554 --> 00:30:50,265
those cells can switch into repair mode,
444
00:30:50,849 --> 00:30:55,603
fixing damage, cleaning up garbage,
nipping any problems in the bud.
445
00:30:58,606 --> 00:31:01,901
With the zombies in check
and the rest of me in tip-top condition...
446
00:31:03,027 --> 00:31:06,990
the future looks healthier
and also longer.
447
00:31:08,116 --> 00:31:10,827
Science is only just beginning
to understand
448
00:31:10,910 --> 00:31:13,037
the longevity benefits of fasting.
449
00:31:14,247 --> 00:31:17,458
In fact, we're just catching up
with the cultures and religions
450
00:31:17,542 --> 00:31:21,629
that have placed fasting at the center
of their practice for millennia.
451
00:31:29,596 --> 00:31:31,639
Today is a beautiful day.
452
00:31:34,767 --> 00:31:37,395
Retired teacher
Todesso and his family
453
00:31:37,520 --> 00:31:40,273
are celebrating Easter
with a walk to church.
454
00:31:42,692 --> 00:31:45,737
Papa, are we nearly there yet?
455
00:31:47,030 --> 00:31:48,364
No, not yet.
456
00:31:49,240 --> 00:31:51,868
But the church
is three days away
457
00:31:52,744 --> 00:31:54,412
in the holy city of Gondar.
458
00:31:56,623 --> 00:31:57,916
Are you tired?
459
00:31:57,999 --> 00:31:59,334
Yes I'm tired.
460
00:31:59,417 --> 00:32:02,211
Don't be tired, be strong.
461
00:32:03,922 --> 00:32:05,715
During their grueling pilgrimage,
462
00:32:05,840 --> 00:32:08,092
the family eat absolutely nothing.
463
00:32:09,719 --> 00:32:13,181
Fasting is very important to us,
464
00:32:13,681 --> 00:32:16,935
it is a tradition handed down
by our ancestors.
465
00:32:17,518 --> 00:32:18,811
We fast to be closer to God.
466
00:32:20,229 --> 00:32:21,272
Come on you two.
467
00:32:21,356 --> 00:32:23,024
I'll be so happy when we get there.
468
00:32:24,651 --> 00:32:26,444
I got you.
469
00:32:27,654 --> 00:32:30,823
And joining her parents
for the first time is daughter Helen.
470
00:32:31,407 --> 00:32:35,328
The first day was the hardest.
471
00:32:36,329 --> 00:32:38,206
I felt so weak.
472
00:32:43,628 --> 00:32:47,465
My brain was telling me,
"You can do this."
473
00:32:48,049 --> 00:32:51,552
But my stomach was saying,
"Bring me food!"
474
00:32:52,845 --> 00:32:55,640
But fasting
isn't just bringing them closer to God...
475
00:32:56,724 --> 00:32:59,143
they believe it's bringing them
health benefits.
476
00:33:00,812 --> 00:33:04,399
Although my father
is 75 years old, he is very strong.
477
00:33:05,191 --> 00:33:07,110
I have never seen him sick.
478
00:33:08,194 --> 00:33:11,698
He swears fasting is why.
479
00:33:16,119 --> 00:33:19,122
I started fasting
when I was seven.
480
00:33:19,956 --> 00:33:22,083
And I've been doing it for 68 years.
481
00:33:24,043 --> 00:33:27,005
It keeps me feeling healthy.
482
00:33:31,592 --> 00:33:37,598
I have never been affected
by a common cold,
483
00:33:38,391 --> 00:33:41,853
or any other disease.
484
00:33:43,354 --> 00:33:45,440
Look, Gondar
is just over the mountain.
485
00:33:45,606 --> 00:33:46,816
HELEN I can see it...
486
00:33:46,899 --> 00:33:48,067
Come on.
487
00:33:52,196 --> 00:33:53,239
I can smell incense.
488
00:33:59,746 --> 00:34:01,247
Easter isn't
the only time
489
00:34:01,330 --> 00:34:03,374
Ethiopian Orthodox Christians fast.
490
00:34:04,709 --> 00:34:09,672
In fact, they observe up
to 250 fasting days a year,
491
00:34:10,006 --> 00:34:13,593
during which they vary their practice,
sometimes eating nothing,
492
00:34:13,885 --> 00:34:17,221
and others, restricting how much
or when they eat.
493
00:34:18,514 --> 00:34:20,892
All these smells
So much food.
494
00:34:22,101 --> 00:34:24,062
Gondar is an amazing place.
495
00:34:26,939 --> 00:34:29,192
There are
many ways to go about fasting.
496
00:34:29,609 --> 00:34:31,277
There are countless protocols.
497
00:34:31,778 --> 00:34:34,655
But remember, they all have one thing
in common.
498
00:34:35,031 --> 00:34:37,992
They reduce the number of calories
we consume.
499
00:34:38,493 --> 00:34:42,246
And in a world where so many of us
are over-nourished,
500
00:34:42,663 --> 00:34:47,126
this is an essential part of how we can go
about living a longer,
501
00:34:47,418 --> 00:34:49,796
healthier life.
502
00:34:53,758 --> 00:34:58,679
I am very proud of myself
for doing the fast.
503
00:35:00,890 --> 00:35:02,725
I will do it every year.
504
00:35:04,352 --> 00:35:07,730
I will only stop fasting
on the day I die.
505
00:35:17,949 --> 00:35:20,326
Two hundred and fifty
fasting days a year.
506
00:35:23,079 --> 00:35:25,915
Makes me think, "Surely, I can go
another 24 hours...
507
00:35:27,667 --> 00:35:29,168
"can't I?"
508
00:35:30,294 --> 00:35:33,089
Struggling, struggling
I'm struggling.
509
00:35:36,425 --> 00:35:39,262
I'm on the ferry to our dive base
in the Great Barrier Reef...
510
00:35:43,266 --> 00:35:45,768
...and I could really do
with a ketone pick-me-up.
511
00:35:49,772 --> 00:35:53,568
I had a little, like...
512
00:35:53,651 --> 00:35:55,337
...like an hour ago, a little burst
of energy.
513
00:35:55,361 --> 00:35:58,656
I thought, "Oh, this is good." Now...
514
00:36:21,095 --> 00:36:22,263
So, this is it.
515
00:36:22,722 --> 00:36:26,559
The last day of the fast, and the day
I'm supposed to catch dinner
516
00:36:26,642 --> 00:36:30,271
for me and Peter. What could possibly
go wrong?
517
00:36:30,980 --> 00:36:32,607
So, how are you feeling
this morning?
518
00:36:32,732 --> 00:36:35,318
Uh, pretty weak.
Pretty... Pretty low energy.
519
00:36:35,443 --> 00:36:37,195
I feel like I've just rolled out of bed.
520
00:36:37,320 --> 00:36:41,073
You know, even though you don't feel it,
at the microscopic level,
521
00:36:41,157 --> 00:36:43,326
inside your body, there's a war going on.
522
00:36:43,492 --> 00:36:45,620
And that war is being won
by the good guys.
523
00:36:46,954 --> 00:36:49,165
And that's the real reason
we're doing this.
524
00:36:49,332 --> 00:36:52,293
- Yeah.
- All right, let's see what we got here.
525
00:36:54,545 --> 00:36:58,049
So, I could live longer,
but right now,
526
00:36:58,257 --> 00:37:00,097
I'm not sure I'm gonna make it
through the day.
527
00:37:03,971 --> 00:37:06,682
So, remind me, where
were my ketone levels yesterday?
528
00:37:06,891 --> 00:37:09,477
So, yesterday,
you were at about one.
529
00:37:12,897 --> 00:37:14,440
- Now, you're almost at two.
- Yeah.
530
00:37:14,607 --> 00:37:17,568
- When the ketones get closer to three...
- Yeah.
531
00:37:17,693 --> 00:37:19,362
...is really
when that switch is flipped.
532
00:37:19,487 --> 00:37:21,030
But once you get in the water...
533
00:37:21,113 --> 00:37:22,353
...I think it's gonna shoot up.
534
00:37:23,074 --> 00:37:26,160
I don't wanna put any pressure on you,
but I'm hungry, man.
535
00:37:26,619 --> 00:37:29,622
And seeing as I can't catch a fish
with a spear and you can...
536
00:37:31,249 --> 00:37:33,918
I kinda need you to come through on this.
The stakes are high...
537
00:37:34,043 --> 00:37:35,283
- Yeah.
- ...for the both of us.
538
00:37:35,378 --> 00:37:38,714
- All I heard was "steaks." Edible kind.
- Yeah.
539
00:37:42,635 --> 00:37:44,971
The stakes are high,
and not just for today.
540
00:37:45,805 --> 00:37:48,057
By fasting, Peter says I'm fighting
541
00:37:48,140 --> 00:37:50,685
those zombie cells
and repairing healthy ones.
542
00:37:51,644 --> 00:37:54,188
And that could mean a longer,
healthier life.
543
00:37:56,148 --> 00:37:59,360
But first, I've gotta go hunt down
that fish.
544
00:38:02,280 --> 00:38:04,323
- Welcome aboard.
- Thank you so much.
545
00:38:06,242 --> 00:38:07,618
If only I can find the energy.
546
00:38:10,454 --> 00:38:11,956
I'd love some ketones right now.
547
00:38:15,918 --> 00:38:19,547
Chris's ketone levels have risen,
which is what we wanna see.
548
00:38:20,298 --> 00:38:23,968
I know he isn't feeling it yet,
but just as in the underwater hockey,
549
00:38:24,385 --> 00:38:28,306
the effort of hunting is going to ramp up
these evolutionary adaptations
550
00:38:28,389 --> 00:38:31,350
in his body, giving him the edge he needs.
551
00:38:36,439 --> 00:38:38,024
Stretch your legs.
552
00:38:38,399 --> 00:38:40,159
- I know.
- Just made me really light-headed.
553
00:38:46,782 --> 00:38:48,409
I'm feeling really vague...
554
00:38:50,703 --> 00:38:52,747
and kinda absent from everything.
555
00:38:54,874 --> 00:38:58,586
I was expecting this big flood of energy
that he keeps talking about.
556
00:39:02,631 --> 00:39:04,133
It's not kicking in though.
557
00:39:06,927 --> 00:39:08,137
Don't overdo it.
558
00:39:08,679 --> 00:39:11,640
Blackout, or what we refer to
as a loss of motor control, is...
559
00:39:11,766 --> 00:39:12,850
is very real.
560
00:39:14,060 --> 00:39:16,520
Yeah. So what are the symptoms
561
00:39:16,604 --> 00:39:20,066
that I'll feel if I need to wave the flag
562
00:39:20,149 --> 00:39:21,525
of retreat?
563
00:39:21,734 --> 00:39:27,365
Um... There's a fine line
between feeling completely empty and done,
564
00:39:27,531 --> 00:39:31,243
and really feeling almost like your head
is shaking
565
00:39:31,410 --> 00:39:33,496
and your hands are shaking a little bit.
566
00:39:33,704 --> 00:39:36,415
I mean, if it's a blackout,
you're not gonna feel anything at all
567
00:39:36,499 --> 00:39:38,299
and you're not gonna remember anything
at all.
568
00:39:38,376 --> 00:39:41,253
So if I take one look at you
and your face tells me that you're done,
569
00:39:41,587 --> 00:39:44,274
doesn't matter how driven you are,
you're done and we're gonna get out.
570
00:39:44,298 --> 00:39:45,549
Sure.
571
00:39:47,134 --> 00:39:49,614
Let me know how you're feeling
and just don't push it too hard.
572
00:39:49,929 --> 00:39:51,055
- I'm hungry.
- I know.
573
00:40:10,074 --> 00:40:11,117
I'm exhausted already.
574
00:40:12,993 --> 00:40:14,161
All right, it's go time.
575
00:40:23,629 --> 00:40:25,047
Right, I'm in.
576
00:40:46,777 --> 00:40:48,654
I know I have enough oxygen
in my body...
577
00:40:50,990 --> 00:40:55,494
but I look up and the boat seems
so, so far away.
578
00:40:57,663 --> 00:40:59,540
I feel like I'm losing all focus...
579
00:41:00,833 --> 00:41:03,586
and suddenly the urge to breathe
is overwhelming.
580
00:41:09,884 --> 00:41:10,968
How do you feel?
581
00:41:12,303 --> 00:41:13,983
Yeah, I just went down there
and then went,
582
00:41:14,013 --> 00:41:15,723
"Oh, I need to breathe soon,"
583
00:41:15,806 --> 00:41:17,367
and then I felt really weak,
and I thought,
584
00:41:17,391 --> 00:41:19,231
- "There's no way I can do this, ever."
- Yeah.
585
00:41:21,103 --> 00:41:25,608
I'm feeling so tired. And the energy boost
that Peter promised me...
586
00:41:26,692 --> 00:41:27,776
nothing.
587
00:41:31,530 --> 00:41:34,200
So after a brief moment, I go again.
588
00:41:48,714 --> 00:41:51,592
But this time,
I start to feel a little different.
589
00:41:54,094 --> 00:41:56,847
As I'm going down,
it's like I'm tuning into the ocean.
590
00:41:59,266 --> 00:42:00,476
I can hear every sound.
591
00:42:03,562 --> 00:42:05,189
Time seems to slow down.
592
00:42:10,653 --> 00:42:12,613
And I start to feel a surge of energy.
593
00:42:17,243 --> 00:42:19,954
And then, I see a fish.
594
00:42:40,224 --> 00:42:43,394
- Nice work. You did it.
- Got one. Peter...
595
00:42:43,769 --> 00:42:45,771
...your dinner.
596
00:42:45,938 --> 00:42:48,274
Hey, nice one.
597
00:42:49,817 --> 00:42:52,444
Awesome job, man.
598
00:42:52,653 --> 00:42:53,904
He looked great.
599
00:42:55,072 --> 00:42:56,240
You looked great.
600
00:43:02,580 --> 00:43:05,583
We did another test after the hunt,
and the surge of energy,
601
00:43:05,916 --> 00:43:08,877
turns out my ketones had shot up
to nearly three.
602
00:43:09,628 --> 00:43:12,673
So it worked. The science came good.
603
00:43:24,351 --> 00:43:25,769
Not a bad catch, huh?
604
00:43:25,978 --> 00:43:27,187
It's an amazing catch, man.
605
00:43:27,980 --> 00:43:29,398
It smells good, looks good.
606
00:43:29,732 --> 00:43:32,484
But, you know, I'd have been happy
eating vegetables right now
607
00:43:32,568 --> 00:43:34,236
- if that's all we had.
- I know.
608
00:43:35,404 --> 00:43:36,405
Boom!
609
00:43:36,488 --> 00:43:39,992
There's all this anticipation and buildup,
it almost felt guilty
610
00:43:40,117 --> 00:43:43,287
or like I was doing something wrong
if I was gonna take that first bite.
611
00:43:46,707 --> 00:43:49,627
This will be the nicest "break-fast"
I've ever had, I think.
612
00:43:52,546 --> 00:43:54,882
- So who eats first?
- The man who caught the fish.
613
00:43:56,175 --> 00:43:58,761
We didn't dive into it like we'd expected.
614
00:44:00,220 --> 00:44:01,221
It's unreal.
615
00:44:05,059 --> 00:44:07,353
Ceremonial and...
616
00:44:08,395 --> 00:44:09,563
and important and special.
617
00:44:24,161 --> 00:44:26,455
Don't know whether to laugh or cry.
618
00:44:27,247 --> 00:44:30,501
That was the best meal I've ever had,
I think.
619
00:44:32,961 --> 00:44:35,506
Sometimes when I'm eating
that first meal after a fast,
620
00:44:35,589 --> 00:44:38,759
I have this tiny, tiny piece of regret.
621
00:44:39,009 --> 00:44:41,428
And I think,
"Should I have gone another day?"
622
00:44:41,637 --> 00:44:42,763
Do you feel any of that?
623
00:44:44,098 --> 00:44:47,685
- Not a teeny, tiny piece.
- Not that much of it?
624
00:44:47,851 --> 00:44:48,852
- Nothing. No.
- No.
625
00:44:48,977 --> 00:44:51,438
Absolutely not.
626
00:44:53,440 --> 00:44:56,610
No, right now, mate, I'm in the middle
of heaven.
627
00:45:01,699 --> 00:45:03,325
Oh! It's amazing.
628
00:45:06,495 --> 00:45:08,914
Well, I'd like to make a toast...
629
00:45:10,416 --> 00:45:12,876
to the ocean, for feeding us this fish...
630
00:45:13,752 --> 00:45:17,172
and you, for making me suffer
through four days of fasting
631
00:45:17,256 --> 00:45:18,716
to really, really appreciate it.
632
00:45:19,299 --> 00:45:23,011
I'll make a toast to your 90-year-old self
and those great-grandchildren
633
00:45:23,095 --> 00:45:25,347
- you're gonna be playing with.
- Cheers.
634
00:45:33,856 --> 00:45:39,361
So, that's it, four days, no food.
Didn't crack. Would I do it again?
635
00:45:39,778 --> 00:45:43,073
Can't believe I'm saying this, but yes.
636
00:45:43,741 --> 00:45:46,452
From now on, I do want fasting
to be a part of my life.
637
00:45:46,660 --> 00:45:50,330
Oh, oh. Look at us going at it.
Yeah!
638
00:45:50,748 --> 00:45:53,876
That's not to say I'm never gonna go out
with a bunch of friends.
639
00:45:54,001 --> 00:45:56,462
It's so hot.
640
00:45:56,670 --> 00:46:01,717
Basically eat everything on the menu,
like a starving hound.
641
00:46:02,551 --> 00:46:04,303
It's so hot!
642
00:46:04,470 --> 00:46:05,804
I'll definitely do that.
643
00:46:52,726 --> 00:46:55,479
I'm just looking at it. I'm just looking.
I'm not eating anything.
52032
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