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What Happens in the Brain When We Feel Fear

Smithsonian.com

What Happens in the Brain When We Feel Fear And why some of us just can’t get enough of it Scary pumpkins are the least of what frightens us at Halloween, a day devoted to being frightened. (asife/Shutterstock.com) By Arash Javanbakht and Linda Saab, The Conversation Fear may be as old as life on Earth. It is a fundamental, deeply wired reaction, evolved over the history of biology, to protect organisms against perceived threat to their integrity or existence.