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Old 12-20-2007, 09:22 PM
Harry Hirsute's Avatar
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Default Vitamin D Deficiency May Be Widespread in Darker-Skinned

... Individuals

This has been widely assumed/reported but these statistics are still pretty dramatic. It's also a wake-up call, for all of us, to make sure we're getting/producing adequate amounts of this valuable nutrient.

Researchers conducted Vitamin D tests on a group of University of Toronto students and found that virtually all non-whites lack vitamin D in their bodies due to their dark skins, the Canadian press reported.

The findings reinforced the importance of skin color, which has been known for more than a decade to be a factor determining how easily a person is able to make vitamin D at a given latitude, researchers say.

The research, which is awaiting publication in a medical journal, found that 100 percent of those of African origin were short of vitamin D, as were 93 percent of South Asians (those of Indian or Pakistani origin), and 85 percent of East Asians (those of Chinese, Indochinese or Filipino origin, among other countries).

Insufficient vitamin D amounts were also found among those of European ancestry, but were less widespread, at 34 percent of those surveyed.

The research, based on blood tests conducted at Toronto University's Mississauga campus in February and March, is the first to systematically examine vitamin D levels of a group of racially diverse, young Canadian adults and categorize the results by ethnicity. A variety of factors influence how much of the vitamin people have, but skin color and diet are among the most important, researchers stress.
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