Many diseases in humans are directly or indirectly caused by improper eating habits and malnutrition. These include, but are not limited to, deficiency diseases, caused by a lack of essential nutrients.
Additionally, several diseases are directly or indirectly impacted by dietary habits, and require very close attention to the nutrient content of food.
Obesity is a condition in which the natural energy reserve, stored in the fatty tissue of humans and other mammals, is increased to a point where it is assoiated with certain health conditions or increased mortality.
refers to a condition of high storage levels of vitamins, which can lead to toxic symptoms. The medical names of the different conditions are derived from the vitamin involved: an excess of vitamin A, for example, is called "hypervitaminosis A".
iron overload disorders are diseases caused by the accumulation of iron in the body. Organs commonly affected are the liver, heart and endocrine glands.[1]