Unless you’ve been living under a rock—in which case your sleep cycle is probably already pretty solid—chances are you’ve heard something about blue light. For the uninitiated, blue light, which ...

Many Americans spend more than seven hours in front of screens daily, which can affect your skin. (Getty Images) You probably do your best to protect your skin from ultraviolet rays by slathering on ...

Get glasses that block it. Blue-light-blocking glasses are said to keep your pre-sleep Instagram scrolls from messing with your life and your health. Plus, you can wear them with or without a ...

Blue light filter study reveals mixed results: Do glasses and screen protectors truly combat eye strain tech? Experts weigh in on the evidence. Pixabay, Innovalabs Concerns about blue light from ...

Women's Health may earn commission from the links on this page, but we only feature products we believe in. Why Trust Us? At the simplest level, different colors of light have different wavelengths.

You probably do your best to protect your skin from ultraviolet rays by slathering on sunscreen before going outside (and if you haven’t been, now’s a good time to start). But many people aren’t aware ...