Summary: Join Dr. David Kolbaba and our friends from Metagenics as they discuss the immune system and how Vitamin C is vital in supporting immune response and natural killer cell activity in helping to fight illnesses. Factoids about tuberculosis and ebola as well as the benefits of Vitamin C in lowering cancer risk, cardiovascular disease and certain eye disorders. Order our Sunny C-1000 supplement by calling our HealthQuest Radio Hotline at 800-794-1855 and receive our comprehensive Vitamin C handout.