Monday, January 12, 2015

Now all that sunscreen advice has been called into question.

In June, U.S. researchers will announce the first direct link between cancer prevention and the sunshine vitamin [i.e., vitamin D]. Their results are nothing short of astounding.

A four-year clinical trial involving 1,200 women found those taking the vitamin had about a 60-percent reduction in cancer incidence, compared with those who didn't take it, a drop so large—twice the impact on cancer attributed to smoking—it almost looks like a typographical error....

Those studying the vitamin say the hide-from-sunlight advice has amounted to the health equivalent of a foolish poker trade. Anyone practising sun avoidance has traded the benefit of a reduced risk of skin cancer—which is easy to detect and treat and seldom fatal—for an increased risk of the scary, high-body-count cancers, such as breast, prostate and colon, that appear linked to vitamin D shortages.

The paper reports that researchers also "are linking low vitamin D status to a host of other serious ailments, including multiple sclerosis, juvenile diabetes, influenza, osteoporosis and bone fractures among the elderly." I hope some of this speculation turns out to be well-founded, because it would be nice to have an easy way to prevent so many diseases and deaths. If that can be achieved only by embarrassing the nagging know-it-alls who've been telling us to avoid sunshine, that's a cost I can live with.

[Thanks to Mark Lambert for the link.]

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