Psychology & Psychiatry

How chronic stress drives the brain to crave comfort food

When you're stressed, a high-calorie snack may seem like a comforting go-to. But this combination has an unhealthy downside. According to Sydney scientists, stress combined with calorie-dense comfort food creates changes ...

Neuroscience

How do tired animals stay awake?

New research provides clues to falling fast asleep—or lying wide awake. Studying fruit flies, the researchers found that brain neurons adapt to help the flies stay awake despite tiredness in dangerous situations and help ...

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