A face full of freckles, or “angel kisses,” as Grandma may have called them. The spots are like snowflakes—no two are the ...

Explore how freckles reveal genetic heritage, skin health, and natural beauty while embracing the charm of unique skin ...

The skin is the body’s largest organ, so naturally, it bears the brunt of UV emitted from the sun, says Dr. Alice Zhou, an assistant professor of oncology at Washington University in St Louis.

How much sun a person needs per day depends on factors such as skin type, the season, and cloud coverage. Vitamin D is an essential nutrient for the body. The body needs vitamin D to absorb calcium.