Tuesday, July 31, 2007

Caffeine, exercise may help ward off skin cancer

Caffeine, exercise may help ward off skin cancer Reuters/Yahoo!News 7/30/07 "...Experiments on mice showed that caffeine and exercise together somehow made them better able to destroy precancerous cells whose DNA had been damaged by ultraviolet-B radiation..."We think that it will be important in terms of prevention, and possibly not only for skin cancer but possibly for other cancers as well," Rutgers cancer researcher Allan Conney...Both caffeine and exercise alone increased by roughly 100 percent the mice's ability to kill off precancerous cells that could lead to skin cancer compared to the mice that did neither. But the mice that did both showed a nearly 400 percent increase in this ability..."extremely preliminary data," and there is no evidence of such an effect in people..."

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