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.

The images show the whitening and brightening of the city. (Courtesy: A Sánchez de Miguel et al/Science Advances/CC BY 4.0) The shift to LED street lighting is producing more blue-light pollution – an ...

The first LEDs only emitted red light; it wasn't until 1972 that George Craford developed the yellow LED, with a green LED following in the same decade. The blue LED can also trace its history ...

It sucks all the gunk from your pores, and the LED blue light targets the acne-causing bacteria, which dermatologists say can help prevent new acne to develop. I use this about once a week ...

First, a quick refresher on how LED light therapy masks can benefit ... and stimulate wound healing," dermatologist Howard Sobel tells Bazaar. "Blue light can kill acne-causing bacteria (p.Acnes ...

You can try LED-light therapy in many different colors, each one suited to a different purpose. Red light and blue light are, by far, the most popular choices — and for good reason ...