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Red-light devices are all over social feeds and make enormous promises. From the many, we find the few that are actually worth your commitment, time, and money.

Discover the benefits and uses for therapeutic light therapy. Learn more about how it works and what to expect.

Is red light therapy the holy grail of holistic health remedies, or is it a scam? I took a deep dive to discover the benefits and drawbacks of this popular wellness practice.

Red light therapy can help improve skin texture, wound healing, and pain. The key to success is using it consistently and aligning the timing with your goals.

Gadget designer Kiran Malladi explains why the Photon Micro-Light I is his favorite flashlight. Simply squeezing it produces an astonishing amount of light for such a small object.

Many-Worlds Interpretation Challenged As Photon Seems To Be In Two Places At Once A new twist on a classic experiment has shown that photons might really take two paths at the same time.

The best red-light therapy for hair, delivered via helmets or caps, can help stimulate hair follicles to promote natural regrowth.

Light therapy is super buzzy right now—but does it do anything? Here, we asked five experts about the benefits of light therapy, and how to use it best.