00:00 What happens if you stop 00:01 eating for a whole day 00:02 without snacks 00:03 or coffee 00:04 without your favorite bar 00:05 it's just one bar 00:06 just a lock in your throat 00:07 The first 4 hours 00:08 your body thinks you're just 00:09 a scattered idiot who forgot 00:10 to eat 00:11 It lives off the energy 00:12 from yesterday's insulin. 00:13 The insulin drops 00:14 the body thinks, "Oh, freedom! 00:15 I'm no longer having a sugar hangover." 00:16 After 8 hours, 00:17 the brain starts to switch to 00:18 a quiet energy-saving mode, 00:19 like an old smartphone at 1%. 00:20 You're still alert, 00:21 but the body says, "Don't make 00:22 any sudden movements, brother." 00:23 12 hours. 00:24 The brain: "Hello, where's the food? 00:25 Give me cortisol! 00:26 Let the master suffer a bit." 00:27 You become slightly irritated, 00:28 slightly dull, as if you've spent 00:29 the whole day talking to call center 00:30 operators. 00:31 This is not weakness, 00:32 these are instincts. 00:33 16 hours. 00:34 Glucose is zero. 00:35 The body says, "Okay, fine, 00:36 screw it, let's start burning fat." 00:37 Fat starts to burn like 00:38 toxic nerve cells after 00:39 toxic relationships. 00:40 24 hours. 00:41 The liver becomes the director 00:42 of this film 00:43 and launches autophagy. 00:44 Cells start eating up the trash, 00:45 mutants, broken proteins. 00:46 Your body is cleaning house. 00:47 Externally, you feel a bit 00:48 chilled, 00:49 but internally, it's a cell party. 00:50 And the question is, 00:51 do you want to know 00:52 what happens after 48 hours 00:53 of starvation? 00:54 A biochemical adrenaline 00:55 starts happening to you 00:56 that no one tells you about.