How Safe Is Sunscreen?

Image Kim Chambers, a champion open-water swimmer, covered with lanolin and zinc in 2016.CreditJason Henry for The New York Times Skin cancer is the most common malignancy in the United States, affecting more than three million people each year. Using sunscreen is one mainstay of prevention. But the recent news that sunscreen ingredients can soak…

Children’s Safety on Wheels

A 13-year-old patient recently talked to me about the amount of time he spends playing video games (plenty) and about his weight (heavier than he wants, and on the rise). I asked about exercise, and he told me proudly that he rides his bike a lot, now that the weather is good. And then, of…