A spate of new studies suggests vitamin D offers health benefits far beyond strengthening bones. Researchers report that “the sunshine vitamin” may cut cancer risks and help the immune system fight infections. Together these studies raise the possibility that a brief daily dose of sun combined with a vitamin D supplement could help stave off everything from breast cancer to the flu...
Here’s a glimpse of recent findings:
- • Overall cancer risk.
- • Breast cancer.
- • Colorectal cancer.
- • Prostate cancer.
- • Influenza and infections.
So what’s the best way to get your daily D? Holick recommends taking 1,000 IUs of vitamin D every day and getting a short, “sensible” daily dose of sunshine before covering up or applying sunscreen. “Sensible” depends on who you are and where you live. Caucasians can safely make enough daily D by sitting in the sun for a quarter of the time it takes their skin to turn light pink, typically five to 15 minutes in the middle of a sunny summer day, says Holick. People with dark skin need to be in the sun three to five times longer to make enough vitamin D, because dark skin pigment acts as a partial sunscreen...
http://www.odemagazine.com/doc/46/are_you_getting_enough_sun
Low Vitamin D: One Sign of Sunlight Deficiency http://www.drmcdougall.com/misc/2007nl/sep/vd.htm




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