In 1964, Surgeon General Luther Terry issued an advisory that tobacco use is hazardous to your health. Terry's pronouncement led Congress to institute the warning labels that are on cigarette packages to this day. It also helped lead to a dramatic decrease in cigarette use, saving millions of lives.

In that same spirit, current Surgeon General Vivek Murthy issued an advisory last year about the effect that social media has on youth mental health. This week, he urged Congress to require that digital warnings be attached to social media platforms.

I spoke with Dr. Murthy this week on Doctor Radio on SiriusXM about his efforts. He said his concerns resonate with his own experience and worries as a parent.

“My kids are of an age, 6 and 7, where they are not on social media yet, but when my daughter was in preschool she came home one day and asked my wife and me about posting a picture on social media," Murthy said. "Because her........

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