Nutritional disorders is a term for diseases which are caused by not having the right amount of nutrition. These conditions may be due to undernutrition, over nutrition, or nutrient imbalance. Examples of such illnesses include eating disorders, obesity, and chronic undernutrition. These are often related with other conditions such as hypertension, cardiovascular disease, diabetes mellitus, and cancer. Nutritional disorders are also associated with increased morbidity and mortality, and delayed recovery. The causes include mental conditions, impaired digestion, chronic loss of appetite, unhealthy eating habits, improper intake of food supplements, and scarcity of healthy food.