by Gayle Earle — Are recommendations to cover up and stay out of the sun putting our health at risk? William B. Grant, Ph.D., who has studied the dietary and environmental links to chronic disease for 30 years, believes the optimal level of Vitamin D ranges from 30 to 40 ng/ml for cancer prevention and […]
October 4, 2013
Comments Off on Exposure to sunlight prevents chronic disease and cancer