eileen

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Tanning and Vitamin D: Is Shunning the Sun a Medical Mistake?



By Helen Chickering
NBC News Channel

Debate is raging over how much sun you should get. For years, we've been warned that sunscreen is a must, but now some health professionals are saying some exposure to the sun's rays is necessary. An American Academy of Dermatology survey finds that ten percent of Americans in their 40s, 50s, 60s and even 70s hit the tanning bed.

Sunlight, even artificial is a prime source of Vitamin D, a nutrient that helps the body absorb calcium and one a growing body of research suggests may also help prevent diseases from cancer to diabetes. Unfortunately, up to half of the population is not getting enough, according to the Duke Diet Center's Elisabetta Polilti.

"Vitamin D sources are not very common," she explained.

Oily fish like salmon and fortified milk are among the few dietary sources of Vitamin D. That leaves supplements and sunshine, unless you wear sunscreen.

"The skin lotion is preventing vitamin D from being absorbed," Politi said.

While it's doubtful we'll ever say 'so long' to sunscreen, the Vitamin D dilemma does have the scientific and medical communities taking a closer look at the safe sun message.

Boston University's Dr. Michael Holick calls it "sensible sun exposure."

"Typically maybe five to ten minutes of arms and legs, two to three times a week, followed by good sun protection is a good recommendation," he said.

It's a recommendation that has gotten heat from major skin and cancer organizations who've noted the rise in skin cancer. All parties do agree people aren't getting enough of the sunshine vitamin.

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under-exposure to uv rays is as dangerous as over-exposure...This is "D" life! (eileen)