Cedric and Frank Garland sure know how to put a cloud over a sunny day. Since 1990 the two brothers and their research associate Edward Gorham, all San Diego-based epidemiologists, have spread a highly unsettling message: liberal use of sunscreens may actually promote a deadly form of skin cancer called melanoma rather than protect people from it.
The Garlands admit that sun blocks filter out the most damaging solar rays and prevent sunburn. But that allows fair-skinned people to stay on the beach or golf course longer than would otherwise be tolerable. Lulled into a false sense of security, these sun...
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