Typically, the power savers include a flashy LED light that turns on to trick people into thinking it's doing something, along with high-school-level components like a capacitor or, well, nothing. Be ...

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 ...

WASHINGTON - Crisp air, cozy sweaters, changing leaves … and burning, itchy eyeballs? For many people, fall is the start of ...