The figure and table below are from Vieth (1999); one of the most widely cited articles on vitamin D. The figure shows the gradual increase ...
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Showing posts with label vitamin D. Show all posts
Showing posts with label vitamin D. Show all posts
Could grain-fed beef liver be particularly nutritious?
There is a pervasive belief today that grain-fed beef is unhealthy, a belief that I addressed before in this blog ( ) and that I think is ...
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Vitamin D production from UV radiation: The effects of total cholesterol and skin pigmentation
Our body naturally produces as much as 10,000 IU of vitamin D based on a few minutes of sun exposure when the sun is high. Getting that much...
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Vitamin D levels: Sunlight, age, and toxicity
Calcidiol is a pre-hormone that is produced based on vitamin D3 in the liver. Blood concentration of calcidiol is considered to be a reliabl...
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How much vitamin D? Vitamin D Council's recommendations
Since my recent post on problems related to vitamin D deficiency and excess I received several questions. I have also participated in sever...
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Vitamin D deficiency, seasonal depression, and diseases of civilization
George Hamilton admits that he has been addicted to sunbathing for much of his life. The photo below (from: phoenix.fanster.com), shows him ...
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The baffling rise in seasonal allergies: Global warming or obesity?
The July 26, 2010 issue of Fortune has an interesting set of graphs on page 14. It shows the rise of allergies in the USA, together with fi...
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