How we got here: The origin and function of friendship
Editor’s note: This is the first post in a three-part series on friendship. Why do humans across many cultures value and celebrate friendship? In many
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human behavior
Study found genes linked to happiness, depression and neuroticism
Ana María Rodríguez, Ph.D. In one of the largest studies on the genes involved in human behavior, a group of more than 190 researchers has
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