Blue light is a high-energy part of visible light from the sun, screens, and light-emitting diode (LED) bulbs. Your cornea and lens don’t block blue light the way they block ultraviolet (UV) rays.

Ducharme is a contributor to TIME. Woman texting and reading on smartphone in bed in midnight. Ducharme is a contributor to TIME. It’s become a virtually unchallenged piece of conventional wisdom that ...

For a decade, we've been told our screens are wrecking our sleep. The real culprit is far bigger than the glow from your phone. I have spent the last few weeks strapping on a pair of special orange ...

As a whole, we spend a lot of time in front of screens. In fact, 43 percent of adults have jobs that require the usage of a tablet or computer, and kids in the US between the ages of 8 and 12 spend ...

You can get a brighter smile with a number of different whitening products and techniques available at home or at a dentist’s office. They vary in effectiveness (and price), but none of them provide ...

Share on Pinterest Researchers say that blue light may not significantly affect a person’s circadian rhythms. AleksandarNakic/Getty Images Blue light from the sun is vital in regulating a person’s ...

Among the fads to emerge from the pandemic − sourdough bread making, TikTok dancing, sweatpants tie-dying − wearing blue light glasses to cope with increased screen exposure remains popular. As our ...

Blue light has gotten a bad rap, getting blamed for loss of sleep and eye damage. Personal electronic devices emit more blue light than any other color. Blue light has a short wavelength, which means ...

A few months into the coronavirus pandemic, I realized I was spending about 14 hours a day looking at a computer screen. Between attending school online and work, my eyes were rarely off my iPhone, ...