Scientists Found Why You Crave Junk Food

Added: 2026-05-22

[00:00:00]If you're always craving unhealthy food, it might not be a lack of discipline.

[00:00:03]Researchers found that sleep deprivation literally changes how your brain responds to food. Brain scans showed less activity in the decision-making part of your brain and more activity in the reward-seeking regions. After sleep deprivation, participants were more drawn to high-calorie foods associated with weight gain.

[00:00:22]And the more sleep deprived they felt, the stronger those cravings became.