Dermatologists explain the science behind wildly popular treatments like red light therapy, which is now available at home—for a steep price. Full-face LED masks like this one can cost up to several ...

A transillumination test is used by doctors to identify abnormalities in a body cavity or organ. The doctor will dim the lights and use a bright light directed towards a specific body part to see what ...

Haley Nahman was having a weird time. She had spent most of the pandemic inside, shuttling around the one-bedroom apartment she shares with her partner, Avi. “Not to paint too bleak a picture, but ...