The diet of an organism is what it eats, which is largely determined by the
perceived palatability of foods. Dietitians are health professionals who
specialize in human nutrition, meal planning, economics, and preparation. They
are trained to provide safe, evidence-based dietary advice and management to
individuals (in Health and disease) as well as to institutions. A poor diet can
have an injurious impact on health, causing deficiency diseases such as scurvy,
beriberi, and kwashiorkor; health-threatening conditions like obesity and
metabolic syndrome; and such common chronic systemic diseases as cardiovascular
disease, diabetes and osteoporosis.
Nutritional science investigates the metabolic and physiological responses of
the body to diet. With advances