A co-worker left this article on my desk for me...
WASHINGTON - Marathon runners face a heightened risk of skin cancer, likely due to more sun exposure or an immune system inhibited by arduous exercise, researchers said yesterday.
Researchers at the Medical University of Graz in Austria studied 210 male and female marathon runners and 210 other people of the same age and sex.
The marathon runners were found to have more atypical moles. They also had more so-called liver spots -- small, flat, brownish, harmless lesions, also known as solar lentigines.
The number of these moles and liver spots is considered a strong independent indicator of increased risk or developing malignant melanoma.
Wow, and how much money was spent on this study? Good to know that long term exposure to the sun is still harmful!