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A New Light.(vitamin D)
Byline: editor: Sarah Brown
As scientists discover D's total-body benefits, the vitamin is enjoying its moment in the sunbut what's behind the hype? Ginny Graves reports.
Despite its nickname, "the sunshine vitamin," D has long languished in the shadows of the more popular A, B, and C. But with the deluge of recent headlines touting its newfound benefitsit wards off breast cancer! prevents stress fractures! protects against multiple sclerosis!D is basking in the limelight. Having lived through the boom and bust of various It ingredients (remember ginkgo biloba?), I wasn't about to raid the supplement aisle. Then I heard that D might boost immunity to the flu. With last year's bout of agony still fresh in my mind, curiosity eclipsed my skepticism: Is D the real deal?
"Even if D does half of what we think it might do, it's crucial for good health," says Anthony W. Norman, Ph.D., a longtime D researcher and professor of biochemistry at the University of California at Riverside. The catch is getting enough; according to the latest estimates, at least half of us fall short.
The reason: We're sun deprived. The simplest way to boost levels is by soaking up ultraviolet rays, prompting the skin to manufacture D, but in gray northern climesBoston, Seattle, or Milwaukee, for instancethe sun is too weak from November through February to trigger the vitamin's synthesis. Even in California, where I live, deficiency is common because most of us work indoors and are (wisely) sun-phobic. SPF 8 is enough to inhibit the vitamin's production; my SPF 50 shuts it down entirely. And it's hard to get enough through diet alone. Even a bowl of D-fortified cereal with a cup of milk provides less than ...
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- Newspaper article from: Daily Oklahoman (Oklahoma City, OK) June 2, 2005 700+ words
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