Emotion

How to Terrify the Fearless

A rare genetic condition that leaves people unable to feel fear provides clues about which regions in the brain regulate the emotion — and which may not.

5 Ways to Let Go of a Grudge

Getting angry is one thing. Holding a bitter grudge is another. Over the long term, chronic feelings of resentment can harm your physical health, according to the authors of a new book, Embitterment.

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