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.

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 ...

Blue light — from the sun, fluorescent lights, or your phone and other screens — sends signals to your brain to wake up. Learn how it can interfere with sleep.

Think blue light is hurting your sleep cycle? A new study suggests it can actually improve the overall sleep quality of older adults — but only if they time it right.

Blue light isn’t all bad. Some research has shown that low amounts of HEV can help decrease acne, for example, while other studies showed that limited exposure to the light may help some symptoms ...

Blue light might only delay your sleep by 2.7 minutes. ... The light sensors in our eyes can't tell the difference between artificial blue light and a bright, shining sun, ...

Blue light is a natural part of the visible light spectrum. It’s found in sunlight, LED and fluorescent lights and digital screens. To stream 13WMAZ on your phone, you need the 13WMAZ app.

Sunlight is not just light. It’s a spectrum. If you’ve ever seen a rainbow or passed sunlight through a prism, you’ve seen ...