The Evolution of Sunscreens
By Stephen J. Beck, M.D.Skin cancer is the number one cancer in mankind. People at risk are primarily Caucasians but even dark skinned individuals have shown an increasing incidence of skin cancer. There are three main reasons for this phenomenon. The first can be traced to fair skinned Europeans colonizing areas of the world with higher ultraviolet exposure profile. Whether this is a move to areas that are closer to the equator, or areas that are higher in altitude, being fair skinned definitely predisposes one to a greater chance of skin cancer.
The second major cause is the increase in longevity. Modern medicine has extended the lives of our population and this coupled with many immune suppressive drugs used for arthritis and organ transplants, have led to an explosion of skin cancers. The third causes the change in habits where bronzed skin is prized and people willingly expose themselves to more ultraviolet radiation in the form of sunbathing or tanning bed exposure. Read More...
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