nutritional imbalances
Nutritional imbalances continue to be major causes of cell injury.
Protein-calorie deficiencies cause an appalling number of deaths, chiefly among underprivileged populations.
Deficiencies of specific vitamins are found throughout the world.
Nutritional problems can be self-imposed, as in anorexia nervosa or self-induced starvation.
Nutritional excesses have also become important causes of cell injury.