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…

Insomnia Can Kill You

How did you sleep last night? If you’re over 65, I hope it was better than many others your age. In a study by the National Institute on Aging of over 9,000 Americans aged 65 and older, more than half said they had difficulty falling asleep or staying asleep. Many others who believe they spend…

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…

Medical News Today: Cancer: New compound boosts chemo, prevents treatment resistance

Researchers may have found a way to stop cancer cells from defending themselves against chemotherapy. In a new mouse study, blocking a DNA repair pathway prevented cancer cells from surviving or becoming resistant to treatment. Researchers screened 10,000 drugs and found a compound that boosts cisplatin. Graham Walker, the American Cancer Society Research Professor of…