http://articles.mercola.com/sites/articles/archive/2000/04/02/vitamin-c-cancer-part-one.aspxTaking high doses of vitamin C may interfere with radiation or chemotherapy treatments, protecting the very cancer cells the treatments are designed to destroy. Vitamin C, also called ascorbic acid, has long been taken by both healthy people and thoseenCommunityServer 2008.5 SP1 (Build: 31106.3070)