Social media influencers claim red light therapy can deliver everything from younger-looking skin to more hair growth, better sleep and even boost longevity. Does science back up those claims?

In 1967, Hungarian scientist Endre Mester tried to cure skin cancer in mice using a low-powered ruby laser. He failed to stop the tumors, but he noticed something bizarre. For the mice treated with ...

Red light therapy is increasingly viewed as a promising treatment for wrinkles, acne, psoriasis, scars, and sun-damaged skin, and as a supportive therapy for some kinds of cancer. But does red light ...

New York Post may receive revenue from affiliate and advertising partnerships for sharing this content and/or when you make a purchase. For a technology that involves doing absolutely nothing but ...

Red light therapy devices are everywhere—from lamps, to full-body mats, to those glowing face masks flooding my social media feed. I usually see red light therapy advertised for "younger-looking skin, ...

Red light therapy (RLT) involves exposing the body to low-wavelength red or near-infrared light (IRL). Red and near-IRL differ slightly in terms of wavelength and visibility. Red light is visible to ...