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.

"Hearst Magazines and Yahoo may earn commission or revenue on some items through these links." Precancerous skin conditions: In combination with photosynthesizing drugs—i.e., drugs that are applied on ...

Headaches and migraine attacks can be debilitating, and for many who experience them, bright screens only make the pain worse. Now that digital devices are a constant part of our lives, blue light ...

These days it's nearly impossible not to spend hours a day staring at a screen. For many of us, it's an all-day affair as we move from work computers to social media scrolling to streaming ...

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 ...

The general public often sees red light therapy as the crème de la crème of light therapy (aka phototherapy). While more research is needed on its efficacy, it has shown promise in anti-aging benefits ...

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 ...

Blue light will get you if you don't watch out. That's the message from the advertisers of blue-blocking glasses, computer monitors, and apps for cell phones and tablets. Their websites warn of eye ...

Wake up. Check your phone. Open your laptop. Spend 10 hours toggling between digital screens like Zoom, Slack, and Netflix. Repeat. If this sounds like your day-to-day, welcome to the club — one ...

GEORGIA, USA — Whether from friends or family, you may hear it all the time. Several people recommend avoiding screen time before bed and utilizing the device's “night shift” mode to protect your eyes ...