Zinc is an essential trace element that is needed for the development and growth of all organisms. Here we’ll look at the vital role that zinc plays in immune health, digestive health,  cardiovascular health, mental health, fertility and skin health. Zinc Deficiency Signs and Symptoms Include:  Impaired immune function with frequent infections Acne and poor skin health Poor wound healing Stretch marks Hyperactivity Anorexia nervosa Loss of sense of taste or smell or loss of appetite Delayed sexual maturation and infertility Impotence Poor growth in children Hair loss White spots on fingernails...