12 Health Mysteries Explained
Are Carrots Really Good For the Eyes?
"Yes, they are, along with all other foods rich in vitamin A," says Michael F. Marmor, a professor of ophthalmology at the Stanford University School of Medicine. The body uses vitamin A to support nerve cells in the retinas that help maintain normal vision. People who are deficient in A are susceptible to a host of vision problems, such as night blindness. Many red, yellow, orange, and leafy green vegetables―including sweet potatoes, kale, mangoes, and papayas―contain vitamin A, as do eggs and liver.
Most Popular Galleries
A thing of beauty should be a joy forever—or at least until five o’clock. Here’s how to stretch the life of your makeup, hair, manicure, perfume—and more.