Red Light Therapy Gets the Green Light, Sort Of

Red-light therapy is getting the green light in some health circles, but it’s early yet to say whether that’s a good thing.

The treatment, a type of light therapy called photobiomodulation that involves exposing the body to low levels of red or near-infrared light, purports to help users lose weight, look younger and balance mood. It’s popping up everywhere from hotel spas to European beehives.