Several pieces of evidence have suggested that blue light can inactivate various pathogenic bacteria. Previously in vitro and in vivo studies using blue light in the spectral range of 400–470 nm ...

The University of Washington in Seattle is using a blue light cystoscopy that makes tumors glow a bright pink color, allowing surgeons to better identify non-muscle-invasive bladder cancer. “Seventy ...

You may know them by the acronym ROY G BIV. Together, they make the white light you see when the sun -- the main source of blue light-- is shining. Fluorescent and LED (light-emitting diode) light ...

Exposure to blue light doesn't have adverse effects on your eye health. It can, however, disrupt your circadian rhythm. Using blue light filters may help reduce the effects of blue light exposure ...

Blue light usually comes from the sun but also from digital screens and LED lights. Some experts believe artificial sources may be causing eye damage in humans, but animal studies are inconclusive.