Nutrition is the science that interprets the interaction of nutrients and other substances in food in relation to maintenance, growth, reproduction, health and disease of an organism. It includes food intake, absorption, assimilation, biosynthesis, energy metabolism, catabolism and excretion.A poor diet may have an injurious impact on health, causing deficiency diseases such as scurvy and kwashiorkor,health-threatening conditions like obesity and metabolic syndrome and common chronic systemic diseases as cardiovascular disease, diabetes,osteoporosis and a variety of oral and radiographic manifestations which the dentist might be the first to diagnose. Это и многое другое вы найдете в книге Oral&Radiographic Manifestations Of Nutritional Deficiencies&Nutrition