Illnesses related to poor nutrition

Many diseases in humans are thought to be directly or indirectly related to nutrition, These include, but are not limited to, deficiency diseases, caused by a lack of essential nutrients.

Cardiovascular disease (Leading cause of death in the western world)
- A primary cause is thought to be ingestion of saturated fat and trans fat
Some cancers
diabetes mellitus
Bi-polar disorder and Schizophrenia (possibly due to deficiency/imbalance of essential fatty acids).
beriberi
rickets
scurvy
vitamin deficiency disease
kwashiorkor
pellagra
poor immune system function, potentially leading to a wide range of other illnesses.
osteoporosis
- Caused by calcium deficiency

Additionally, several diseases are directly or indirectly impacted by dietary habits, and require very close attention to the nutrient content of food. These include:

metabolic or nutritionally related disease such as diabetes mellitus or endemic goitre.
various eating disorders such as binge eating, anorexia nervosa, or bulimia.