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Athletic performance and vitamin D. Cannell JJ, Hollis BW, Sorenson MB, Taft TN, Anderson JJ. Med Sci Sports Exerc. 2009 May;41(5):1102-10. Review. PMID: 19346976 doi: 10.1249/MSS.0b013e3181930c2b Conclusions: Vitamin D may improve athletic performance in vitamin D-deficient athletes. Peak athletic performance may occur when 25(OH)D levels approach those obtained by natural, full-body, summer sun exposure, which is at least 50 ng·mL-1. Such 25(OH)D levels may also protect the athlete from several acute and chronic medical conditions.

"In 1927 a controversy arose in the athletic world. The German Swimmers' Association had decided to use a sunlamp on their athletes to boost performance. Some felt this ultraviolet irradiation constituted "athletic unfairness." In other words, doping."

"Vitamin D is not just a sun-derived vitamin, but is a crucial steroid precursor that is transformed into one of the most potent hormones in the human body for strength, power, lung function and regulating gene expression in every organ system. Athletes need Vitamin D. Dr. Cannell has written quite extensively about the role of vitamin D in athletes"

This is a very long newsletter. I will answer questions about oil versus water-soluble Vitamin D, depression, mental clarity, malignant melanoma, Crohn's disease, an imagist poet, multiple sclerosis, sun-exposure, high-intensity red light and collagen repair in the skin, non-alcoholic fatty liver disease, influenza, the 1918 influenza pandemic, statins, the new Food and Nutrition Board, thyroid disease, chronic fatigue syndrome, athletes, the upcoming 14th Vitamin D Workshop, prostate cancer, the wrong blood test, pregnancy, autism, Alzheimer's disease, soap and sebum, asthma, sleep, the co-factors vitamin D needs to work (all contained in spinach), and-my favorite-UVC light and Vitamin D