Dermatologists explain the science behind wildly popular treatments like red light therapy, which is now available at home—for a steep price. Full-face LED masks like this one can cost up to several ...

In 1845, physicist Michael Faraday provided the first direct evidence that electromagnetism and light are related. Now, it turns out that this connection is even stronger than Faraday imagined. In his ...

Turning off the lights at night has long been known to support restful sleep, but new research suggests it may have another significant benefit. Sleeping in total darkness may lower the risk for ...

University of Tennessee provides funding as a member of The Conversation US. When people name the most important inventions in history, light bulbs are usually on the list. They were much safer than ...

Red light therapy has skyrocketed in popularity over the past several years as a treatment for everything from hyperpigmentation to fine lines to promoting hair growth. As a result, expensive at-home ...

We may earn commission from links on this page, but we only recommend products we love. Promise. Unless you’ve sworn off social media, you’ve probably noticed that LED face masks are everywhere ...

Like untold millions of smartphone users, I have a bit of a problem. I’ve been trying, with middling success, to be more mindful about how I use my phone. I’ll often uninstall various social media ...

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 nights have gotten brighter, the list of health problems linked to artificial lighting has gotten longer, from insomnia to cancer. Lighting in urban areas like Chicago (shown) has gotten brighter ...

Stylish, well-made, fun to use. Nice and responsive OLED monochrome screen. Good speaker and microphone quality. Lets you properly ditch a smartphone—if you’re on the right carrier. Very expensive.

An odd solid that can flow like a fluid has been created from light for the first time. Studying it will help researchers better understand exotic quantum states of matter. “We actually made light ...

Red-light therapy is getting the green light in some health circles, but it’s early yet to say whether that’s a good thing. The treatment, a type of light therapy called photobiomodulation that ...