Dr. Michael Holick, M.D.,Ph.D is perhaps the world's most respected photo biologist who believes that the benefits of regular sun exposure received in a non-burning fashion outweigh the risks. Dr. Holick is the director of the General Clinical Research Center at the Boston University School of Medicine. He also directs the school's Vitamin D, Skin and Bone Center. He discovered the active form of vitamin D in the 1970's and today is regarded as the world's leading expert on vitamin D.

For years Dr. Michael Holick has talked about the theory of "Vitamin D Winter" - a term he coined describing the fact that there is not sufficient UVB outdoors from November through March in the Northeast for a person to even produce vitamin D. This may explain why so much of the population is vitamin D deficient.

Dr. Holick's work in the mid 1990s showed that there is no reliable source of vitamin D in our diets, that vitamin D levels reported on milk cartons are overestimated half of the time and that 15-20 percent of milk has no vitamin D content at all. That leaves sun exposure and vitamin supplementation as the only alternatives. Since it is not reasonable to assume that the entire population will turn to vitamin supplementation, that puts sunshine back into play as an important source of this important vitamin. "With adequate exposure to sunlight, dietary vitamin D becomes unnecessary, according to Holick in an article he wrote in The Lancet, " It is remarkable how exposure to sunlight a few times a week can reduce the risk of osteoporosis, osteomalacia, muscle weakness, fractures and maybe some of the common cancers, but also induce a sense of well-being."

Dr. Holick's book "The UV Advantage" is based on 30 years of research. It will change the way people look at UV light and tanning. The UV Advantage (hardcover) item #250 $ 19.75 Closeout $ 8.00

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