Light is faster than anything else in the known universe, though its speed can change depending on what it's passing through. When you purchase through links on our site, we may earn an affiliate ...

If you’ve stumbled into red light therapy videos on social media, you’ve probably heard that it clears acne, reduces wrinkles, reduces inflammation, and heals joints. You may have also heard that it ...

Let there be light — for your pain, skin, and injuries, that is. The possibilities of red light to treat a variety of health and aesthetic concerns are just emerging thanks to interest 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.

Light-emitting diode (LED) light therapy is a cosmetic and medical treatment that uses LED wavelengths to treat various skin conditions, such as acne and psoriasis. You can get this therapy at a ...

What is blue light? “All the light we see is made up of different wavelengths of light,” says Vivienne Sinh Hau, MD, an ophthalmologist at Kaiser Permanente in Riverside, California. “Certain ...

Your tablet, smartphone, laptop, and flat screen TV all have one thing in common: They each give off blue light. You may know them by the acronym ROY G BIV. Together, they make the white light you see ...

Red light therapy, also known as LED therapy, is gaining popularity in the skin care world for its potential anti-aging benefits. Dr. Rachel Nazarian, a board-certified dermatologist in New York, told ...