Doctors have long been warning about the dangers of the sun and skin cancer. They didn't realize the importance of Vitamin D, with adequate levels it improves muscle control, lower blood pressure, and arthritis. There are about 40% of Americans with a low level of Vitamin D. Just being in the sun for a ten minutes a day is enough. Scientists have convinced us not to be in the sun. What they have neglect is the need for Vitamin D and how to make for for the deficiency. Vitamin D is found in Salmon, milk, and supplements.
http://www.boston.com/news/globe/health_science/articles/2004/12/30/vitamin_d_deficiency_tied_to_host_of_dangers/
http://www.boston.com/news/globe/health_science/articles/2004/12/30/vitamin_d_deficiency_tied_to_host_of_dangers/