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 (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 ...

These devices use red, near-infrared, or deep near-infrared light — different wavelengths of red light that penetrate the skin at different depths. After consulting with two board-certified ...