Blue light has acquired a dubious reputation in recent years, frequently blamed for everything from disrupted sleep patterns to digital eye strain. This high-energy light, emitted abundantly by our ...

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 ...

Blue light is a high-energy light that the eyes absorb from computers, smartphones, LED lights, and fluorescent lights. The sun is the biggest source of blue light. On a sunny day, it's 100,000 times ...