New research considers both historical and contemporary colorism, as well as its consequences for African Americans.

People with PTSD have almost double the risk of developing an infection, researchers find. Men and women face different risks.

"Lots of things on the shelf are essentially untested and by putting these products on our bodies every day, we are unwittingly participating in a human experiment."

A new method uses exosomes harvested from human skin cells to repair sun damage. In a test with mice, it proved more effective than the leading treatments.

A new needle-free flu vaccine patch boosts the immune system much like a traditional shot without any negative side effects, a study with mice shows.

What on earth do the world's largest lizards, Komodo dragons, need protection from? New research on their hidden armor provides the answer.

A new "smart skin" can change colors just like a chameleons skin, but it also fixes a major problem with other color-changing materials—the way they shrink.

"Clearly, nerves in the skin can sense cold. But no one has been able to pinpoint exactly how they sense it." New research cracks the case.

A cheap way to print sweat sensors onto rolls of plastic is another step toward replacing blood draws with wearables.

A sensor that sticks to the skin can pick up signals like a blush or heartbeat and beam health readings to a receiver clipped to your clothes.