More Insight on Possible Role of Vitamin D Against Alzheimer's

The immune system plays an important role in keeping the body healthy and free from illness. As a first line of defense, the epidermis, provide a barrier to keep bacteria and viruses out. The leukocytes, the B and T cell lymphocytes and the phagocytes work to identify harmful bacteria and viruses before they can reproduce. If reproduction begins, immune system works hard to destroy the invaders. http://www.newsonhealthcare.com/understanding-the-immune-system-a-bodys-dynamic-design-for-defense/

ken lyn of FL 7:55PM March 14, 2012