Blue light, often blamed for sleep problems, is now at the center of new animal research from the journal Physiology & Behavior suggesting it can ease anxiety caused by constant vibration and noise.

Add Yahoo as a preferred source to see more of our stories on Google. Many Americans spend more than seven hours in front of screens daily, which can affect your skin. (Getty Images) (d3sign via Getty ...

HOUSTON — As children spend increasing amounts of time on digital devices, parents are turning to blue light filtering glasses to address potential eye strain and sleep disruption, according to a ...