Incredible as it may now seem, up until the 1950s parents were taught that children could actually be harmed by too much parental affection. Psychologists dismissed the notion that love had anything to do with raising emotionally healthy children. But one man helped turn things around. In now-famous experiments using monkeys and crude dummies, psychologist Harry Harlow proved that the conventional wisdom of the day was dead wrong.
Ironically, though, Harlow himself was anything but happy. He was a cranky depressed alcoholic. And that's what drew journalist Deborah Blum to the story.
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