Experts say there is no more crime against children by strangers today — and probably significantly less — than when I was growing up in the 1940s and ’50s, a time when I walked to school alone and played outdoors with friends unsupervised by adults. “The world is not perfect — it never was — but we used to trust our children in it, and they learned to be resourceful,” Ms. Skenazy said. “The message these anxious parents are giving to their children is ‘I love you, but I don’t believe in you. I don’t believe you’re as competent as I am.’ ”
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Dr. Gray links the astronomical rise in childhood depression and anxiety disorders, which are five to eight times more common than they were in the 1950s, to the decline in free play among young children. “Young people today are less likely to have a sense of control over their own lives and more likely to feel they are the victims of circumstances, which is predictive of anxiety and depression,” he said.