Women caught in a pickle by their own immune systems

IMAGE: The Pregnancy Compensation Hypothesis suggests that evolution shaped men’s and women’s immune systems differently. It also suggests that in modern, industrialized populations, the reduced amount of time women spend pregnant… view more  Women get autoimmune diseases, such as multiple sclerosis, lupus and rheumatoid arthritis eight times more than men do. On the other hand, women…

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…