There are numerous diseases caused by a lack of nutrients.
Kwashiorkor- lack of protein. This is a wasting disease whereby the body attacks its own tissues to make up for the starvation it is enduring.
Pernicious Anemia- caused by lack of vitamin B12.
Appetite Disorders- caused by lack of B vitamins and/or iron.
Loss of night vision- lack of vitamin A.
Bleeding Disorders- lack of vitamin K.
Nerve Disorders- lack of B vitamins.
Goiter- an enlarged thyroid gland caused by lack of iodine in the diet.
Anemia- lack of iron.
Scurvy- lack of Vitamin C.
Ricketts- a weakened bone condition caused by a lack of vitamin D.