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Evan Bernstein

πŸ‘€ Speaker
1632 total appearances

Appearances Over Time

Podcast Appearances

The Skeptics' Guide to the Universe
The Skeptics Guide #1084 - Apr 18 2026

Yeah, a treatment that uses specific wavelengths of red and near infrared light directed at the body.

The Skeptics' Guide to the Universe
The Skeptics Guide #1084 - Apr 18 2026

It's unlike ultraviolet light, which can damage skin.

The Skeptics' Guide to the Universe
The Skeptics Guide #1084 - Apr 18 2026

These longer wavelengths penetrate the surface and are absorbed by cells, particularly within the mitochondria, the structures responsible for producing cellular energy.

The Skeptics' Guide to the Universe
The Skeptics Guide #1084 - Apr 18 2026

The idea is that this light exposure, red light therapy exposure, can boost energy production at the cellular level, potentially enhancing repair processes, reducing inflammation, and improving overall tissue function.

The Skeptics' Guide to the Universe
The Skeptics Guide #1084 - Apr 18 2026

Now in practice, red light therapy shows up in a wide range of settings and places you'll find it.

The Skeptics' Guide to the Universe
The Skeptics Guide #1084 - Apr 18 2026

For example, dermatologists will use it in clinical environments to help with skin conditions like acne, wound healing, and signs of aging like wrinkles.

The Skeptics' Guide to the Universe
The Skeptics Guide #1084 - Apr 18 2026

But it's also used in treatments for hair loss, where they apply light to the scalp to stimulate hair follicles.

The Skeptics' Guide to the Universe
The Skeptics Guide #1084 - Apr 18 2026

Now, outside of medicine, it's been embraced by the wellness and fitness world, where it's marketed for things like muscle recovery.

The Skeptics' Guide to the Universe
The Skeptics Guide #1084 - Apr 18 2026

reduced soreness after exercise, and even improved athletic performance.

The Skeptics' Guide to the Universe
The Skeptics Guide #1084 - Apr 18 2026

And more recently, it's been promoted for things like chronic pain and improving your mood and brain health.

The Skeptics' Guide to the Universe
The Skeptics Guide #1084 - Apr 18 2026

So a pretty wide range of things there.

The Skeptics' Guide to the Universe
The Skeptics Guide #1084 - Apr 18 2026

Red light therapy can be called a non-drug and non-invasive solution, so you can see why it would have an appeal to many people who, for whatever reasons, have a distrust of modern medicines and treatments.

The Skeptics' Guide to the Universe
The Skeptics Guide #1084 - Apr 18 2026

And red light therapy is very much in fashion right now.

The Skeptics' Guide to the Universe
The Skeptics Guide #1084 - Apr 18 2026

It's being touted for all sorts of things, some of them within the scope of reasonableness and things really outside on the fringes.

The Skeptics' Guide to the Universe
The Skeptics Guide #1084 - Apr 18 2026

But is it some kind of panacea?

The Skeptics' Guide to the Universe
The Skeptics Guide #1084 - Apr 18 2026

Hardly.

The Skeptics' Guide to the Universe
The Skeptics Guide #1084 - Apr 18 2026

I don't think so.

The Skeptics' Guide to the Universe
The Skeptics Guide #1084 - Apr 18 2026

But what do physicians who understand science-based medicine have to say about red light therapy?

The Skeptics' Guide to the Universe
The Skeptics Guide #1084 - Apr 18 2026

Steve, you directed me to an article that Scott Gavura wrote for science-based medicine recently about red light therapy.

The Skeptics' Guide to the Universe
The Skeptics Guide #1084 - Apr 18 2026

I'll give you a couple lines from his article there.