Capsules increase virulence of some organisms because they pre â¦ vent desiccation, are able to stick to surfaces and provide a mechanism for attachment to tissue such as respiratory epithelial tissue in humans. Capsules are also slippery and often evade a human's immune system by avoiding phagocytosis from certain leukocytes.
Definition of DEFICIENCY DISEASE. : a disease (as scurvy) caused by a lack of essential dietary elements and especially a vitamin or mineral.
Nutrition diseases are diseases in humans that are directly or indirectly caused by a lack of essential nutrients in the diet. Nutrition diseases are commonly associated with chronic malnutrition.Additionally, conditions like obesity from overeating can also cause, or contribute to, serious health problems.utrition diseases are diseases in humans that are directly or indirectly caused by a lack of essential nutrients in the diet. Nutrition diseases are commonly associated with chronic malnutrition.