The immune system is a “complex network of specialized organs, cells, and substances”. It includes the skin, stomach, pancreas, bone marrow, spleen, liver, thymus gland, tonsils, and the lymph…

SAN FRANCISCO, Dec. 12 (UPI) — While you may not be able to have your cake and eat it too, you can indulge in some of your favorite foods without compromising your health, a chef advises.