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Vitamin D Deficiency Surprisingly Common (Video)

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Call it a paradox of sorts. But one of the most abundant (and free) vitamins is also surprisingly scarce. Vitamin D deficiency is estimated at 100 million individuals in America. Yet it comes free from the sun. What is causing this high rate of deficiency? Well, there are multiple causes including weight and ethnicity. This video featuring Dr. Oz explains it really well:

Vitamin D Deficiency Highest Among African Americans

Various studies have shown that African Americans have the highest rates of vitamin D deficiency in the US. Okay, I would rather say black people since I don’t know if the term "African Canadian" exists. In fact, we may be talking about all black people who live in the Northern Hemisphere here. A recent study on this deficiency chose to call this group "non-Hispanic African Americans".

Interestingly, though this group shows the highest rate of vitamin D deficiency, which can lead to lower bone density, it has the highest bone structure.

Overall, the U.S. population has good levels of vitamin A and folate in the body, but some groups still need to increase their levels of vitamin D and iron, according to the "Second National Report on Biochemical Indicators of Diet and Nutrition," released Monday by the Centers for Disease Control and Prevention.

"These findings are a snapshot of our nation’s overall nutrition status," said Christopher Portier, director of CDC’s National Center for Environmental Health. "Measurements of blood and urine levels of these nutrients are critical because they show us whether the sum of nutrient intakes from foods and vitamin supplements is too low, too high or sufficient."

The report found the highest rates of vitamin D deficiency in non-Hispanic African-Americans (31%) despite clinical data showing greater bone density and fewer fractures in this group. Further research is needed to explain why non-Hispanic African-Americans have better bone health yet have a higher rate of vitamin D deficiency. According to the report, the vitamin D deficiency rate for Mexican-Americans was 12%, while for non-Hispanic whites, it was 3%. See original post

The best source of vitamin D, according to Dr. Oz (in above video), is still the sun. While light-skinned people can get sufficient amounts from just a few minutes of sunlight, dark-skinned people may need perhaps an hour or so. Multivitamin supplements are said not to contain sufficient amounts, and a separate vitamin D supplement may be needed. Food sources of this vitamin are largely the same as those of DHA Omega-3; cold water fish such as salmon, tuna and halibut.

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