Estimation of exposure durations for vitamin D production and sunburn risk in Switzerland
Journal of Exposure Science & Environmental Epidemiology (2019) 
A. Religi, C. Backes, A. Chatelan, J.-L. Bulliard, L. Vuilleumier, L. Moccozet, M. Bochud & D. VernezVitaminDWiki Ignored
3X less Vitamin D from the sun if dark skin genes(250 IU) 
4X variation between individuals from the same amount of sun (500- 2000 IU) 
4X difference in the amount of skin exposed to the sun (500- 2000 IU) 
2X?… continue reading

This Is How Sunscreen Could Be Causing Skin Cancer, Not the Sun

By Arjun Walia Summer may be a long way off, but it’s never too early to start thinking about protecting your skin. For most people, this means covering themselves in sunscreen, which corporate marketing campaigns encourage at every turn.… continue reading

Did vitamin D supplementation cause kidney failure in a 54 year old man? Grassroots Health responds A recent case report in the Canadian Medical Association Journal about a man with kidney failure has been picked up by many news sources as a warning against vitamin D supplementation.

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Sunlight Institude Responses to sun articles 4/7/19—4/13/19 https://www.pbs.org/newshour/science/paul-rudd-and-the-science-behind-youthful-skin As regards the section about sunscreen, here are some facts you should know: Regular, non-burning sun exposure is vital for human health, and sunscreens are not valuable. You should know that sun exposure is healthful, and that sun deprivation is as dangerous as smoking cigarettes.… continue reading

Saturated fat, good or evil? How to decipher contradictory nutritional research.

(iStock)By Cara RosenbloomApril 8 It’s frustrating when nutrition studies seem to contradict earlier ones: “Are Eggs Good or Bad For You? New Research Rekindles Debate,” the Associated Press groused in mid-March.… continue reading