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The Light Doctor

Understanding the circadian clock

Media
Do UV Tanning Beds Really Prolong Lifespan?

Martin Moore-Ede M.D., Ph.D. on September 8, 2024

Beware articles claiming that UV tanning beds can reduce heart disease and cancer. The more likely explanation is that users benefit from more general sunlight exposure.

Beware articles claiming that UV tanning beds can reduce heart disease and cancer. The more likely explanation is that users benefit from more general sunlight exposure.

Circadian Rhythm
Sunlight Heals and Cures. But How?

Martin Moore-Ede M.D., Ph.D. on May 10, 2024

Sunlight exposure is remarkably effective in reducing disease risk and extending lifespan—even though it causes more skin cancers. The reason is not just related to Vitamin D.

Sunlight exposure is remarkably effective in reducing disease risk and extending lifespan—even though it causes more skin cancers. The reason is not just related to Vitamin D.

Only blue-pump LEDs will be allowed after 2028
Circadian Rhythm
Banned in the U.S: Healthy Light Bulbs

Martin Moore-Ede M.D., Ph.D. on April 24, 2024

A single-minded focus on climate and energy policy promotes unhealthy blue-rich LED lights and effectively bans circadian-friendly lights that promote human health and well-being

A single-minded focus on climate and energy policy promotes unhealthy blue-rich LED lights and effectively bans circadian-friendly lights that promote human health and well-being

Circadian Rhythm
The Fifth Generation of Light Has Arrived

Martin Moore-Ede M.D., Ph.D. on March 20, 2024

Because we live indoors 90 percent of the time, we must ensure that the light we see provides the necessary daytime blue and nocturnal blue-free condition essential for good health

Because we live indoors 90 percent of the time, we must ensure that the light we see provides the necessary daytime blue and nocturnal blue-free condition essential for good health