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 ...

Abstract: Deep ultraviolet light-emitting diode (LED) sterilization and germicidal lamps with short-wave characteristics, can be used to replace the traditional ultraviolet mercury lamps, is a new ...

This 20-minute AMRAP workout strips leg day back to its basics. It features four moves, each chosen to target the biggest muscle groups in the lower body, to help you build functional strength. It's a ...