Why Hair Turns Gray

As we age, our hair eventually loses its color. Here dermatologist Wilma Bergfeld, MD, explains why, plus shares some fascinating facts about what does — and doesn’t — contribute to the process.

Do You Get Car Sick? Doctor Explains Why This Happens (Video)

It’s wonderful to take a road trip until you start to feel car sick. As you move along the highway, you feel nauseated. You sweat. Maybe you get dizzy or get a headache. Why does this happen? What’s going on in our bodies when we experience car sickness? And how can you prevent it? Watch to learn more.

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The 6 Health Problems Men Worry About Most

We think we’re invulnerable when we’re young, but when we reach our late 30s, health concerns start cropping up. Major health concerns vary by age. Find out what steps you can take to prevent them.

Should You Pee on a Jellyfish Sting? 

Find the truth about questions that pique your curiosity in our series, “The Short Answer.” Emergency medicine physician Pedro, Perez, MD, answers this one.

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