Permanently changing your eye color isn't something you can readily do, but our ophthalmologist explains that there are four ...

Medically reviewed by Christine L. Larsen, MD Photophobia is an abnormal sensitivity to light. It is associated with dry eye ...

Researchers have found that the color of our eyes may hold significant insight into our behaviors, mental health, and ...

Ever wondered what the most common eye colors are? Well, they might not be exactly what you expected them to be.

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Your skin tone may affect how much vitamin D you have in your blood. But does taking vitamin D supplements change skin tone?

Our earliest mammalian ancestors avoided the dominant dinosaurs by only coming out at night and having uniformly dark, ...