We’re staring at our devices more than ever, and besides eating up our time, they’re giving off tons of light. Blue light has gotten an especially bad rap, but that’s not quite fair: It’s just one ...

Manufacturers claim that blue light glasses can filter out blue light and help reduce symptoms such as headaches, eyestrain, and poor sleep. However, research does not support these claims. People ...

Is the danger of blue light overhyped? We asked a doctor. When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works. "Prolonged exposure could affect our ...

Blue light is a shorter-wavelength colored light found in everything from traditional light bulbs to computer and smartphone screens. Blue light is good for your body during the day, but at night blue ...