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Summer sun safety

11.05.2006


Research reveals significant link to melanoma



Fifty years of medical studies show that sun exposure is a primary component in the development of melanoma, the most serious and deadly type of skin cancer, report leading dermatologists in the April 2006 issue of Dermatology Surgery.

"Though genetics may play a role in the development of some melanomas, there’s overwhelming evidence that shows sun exposure adversely affects patients both with and without genetic predisposition to melanoma," said Elisabeth K. Shim, M.D., an Associate Clinical Professor of Dermatology at Keck USC Medical School of Medicine in Los Angeles, CA.


It’s not clear what pattern of sun exposure causes melanoma or whether it’s short, intense intermittent or cumulative. Further more, it’s not clear if ultraviolet B (UVB), ultraviolet A (UVA) rays, or both are responsible for causing melanoma. "Regardless, the sun acts as an initiating and promoting agent in causing melanoma, and causes immunosuppression," noted Dr. Shim.

With summer quickly approaching, it’s necessary to protect yourself by using sunscreen and sun protective measures to prevent melanoma, and other skin cancers, despite current controversy.

Heather Noonan | EurekAlert!
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