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In Review

How the brain calculates a quick escape

Whether fly or human, fleeing from danger is key to staying alive. Scientists are beginning to unravel the complex circuitry behind the split-second decision to beat a hasty retreat.

Foods of abuse? Nutritionists consider food addiction

Cookies, chips, hot dogs and other ultraprocessed fare raise risk of runaway eating

Why speech is a human innovation

Many animals have the equipment for spoken language, but only people have all the right neural connections

Top 10 secrets about stress and health

The strain of life — from everyday conflicts to major losses — can stretch our well-being to the breaking point. Here’s what scientists know, and still don’t know, about the stress-illness connection.

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