philipbrewer
philipbrewer
Exposing your skin to dawn/dusk sunlight (UV index near zero) for 30 minutes provides at least 24 hours of protection against sunburn. Source: Non-Coherent Near Infrared Radiation Protects Normal Human Dermal Fibroblasts from Solar Ultraviolet Toxicity – Journal of Investigative Dermato... www.philipbrewer.net
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In reply to
philipbrewer
philipbrewer

@scientifics Yes, I was surprised too, and am doing some further reading the same researchers' more recent work.

I found the link in this article by Mark Sisson: www.marksdailyapple.com/sun/ (lots of other good stuff about sun exposure there).

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