As one of the most well-studied light therapies for skin issues, blue light therapy benefits most notably include the management of acne, as the technology’s wavelengths help destroy a specific ...

You can get a brighter smile with a number of different whitening products and techniques available at home or at a dentist’s office. They vary in effectiveness (and price), but none of them provide ...

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, ...

Researchers have designed and tested ‘human-centric’ LEDs that emit different wavelengths of blue light depending on whether it’s daytime or nighttime, reducing the disruptive effect artificial light ...

Light-emitting diodes (LEDs) are so ubiquitous that it's easy to forget just how much society relies on these underappreciated technological wonders. Yet, the history of the LED goes back further than ...

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Several pieces of evidence have suggested that blue light can inactivate various pathogenic bacteria. Previously in vitro and in vivo studies using blue light in the spectral range of 400–470 nm ...

Not to sound like a TV commercial or anything, but … how often have you had to throw out white shirts because of unsightly yellow underarm stains? Well, those stains may not be a problem any longer, ...

LED light therapy is a popular noninvasive skin treatment for acne, sun damage, wounds, and other skin problems. People can choose to have LED light therapy at a dermatologist’s office or to use a ...