I learned years ago that Sunscreen is a ripoff, a deception to SELL you a fear-based product.
For centuries, humans avoided the effects of solar radiation with hats and clothing. Now in this scientific age, we see few people wearing widw brim hats and long sleeves in the sun, and deaths from malignant melanomas have skyrocketed. We're so smart it's killing us.
Look at any picture of an outdoor meeting from the 1940s and older, everybody wore hats. They give you shade in the sun, protection from the snow and rain, ... oh never mind.
I had melanoma in 1980. I lived the sun soaked good life surfing, water skiing, etc... I'm a fortunate cancer survivor, I learned my lesson.
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Epidemiologist Marianne Berwick of Memorial Sloan-Kettering Cancer Center in New York carefully laid out the data on sunscreen use and skin cancer at the annual meeting of the American Association for the Advancement of Science (AAAS) in Philadelphia last February.
She included 10 studies of melanoma, the skin cancer that gets the most attention because of its virulent nature. Melanoma often develops in or near moles on the skin. In later stages, such cancer can be lethal because of its tendency to spread throughout the body.
In five of the studies, people who used sunscreen were more likely than nonusers to develop melanoma. In three studies, including one done by Berwick, no association appeared between sunscreen use and melanoma. In two studies, people who used sunscreen seemed to be protected.
http://www.sciencenews.org/pages/sn_arc98/6_6_98/bob1.htm