You’ve likely heard that blue light from smartphone screens may be keeping you awake at night. While the sun is our main source of blue light, the rise of LEDs and screen use exposes us to artificial ...

Sleep scientists are changing how they think about screen use at night. By Caroline Hopkins Legaspi Experts have long warned about the dangers of blue light before bed. When exposed via smartphones, ...

It may not be great on the eyes, but it could be a new way to take care of those pit stains. By Andrew Paul Published Sep 3, 2025 10:00 AM EDT Get the Popular Science daily newsletter💡 Breakthroughs, ...

Eye care professionals are raising eyebrows over the blue light glasses trend, dubbing it a clever marketing ploy. Experts ...

Chelsea Reynolds is affiliated with Flinders University with academic status, is a member of the Australasian Sleep Association, and is a co-founder of the digital CBTi program, Bedtime Window. It’s ...

Michael Freeman is a founder of The Skin Centre, a private dermatology practice on the Gold Coast, Queensland. The centre has developed its own range of skincare products. Blue light is part of the ...

A pair of the best blue light blocking glasses could be just what you need to protect your eyes from eye strain and prevent those pesky screen-related headaches from occurring. If, like me, you're ...

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.

As SELF has previously reported, visible light occupies wavelengths between about 380 and 700 nanometers (nm)—blue light falls between 400 and 500 nm on that spectrum. Effective blue light eyeglasses ...

Researchers hope the technique could offer a more environmentally friendly approach to cleaning up messy clothing. By Jacey Fortin A crisp white shirt can be a dangerous thing. It seems to invite a ...

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 ...