Rickets in children and osteomalacia are examples of deficiency
diseases due to vitamin deficiency. Scurvy is an example of vitamin
C deficiency. Beriberi is an example of vitamin B one deficiency.
(Both, wet beriberi and dry beriberi.) Pellagra is an example of
Niacin deficiency. Anemia is caused by deficiency of vitamin B 12
and Folic acid. Burning feet syndrome is caused by the deficiency
of Pantothenic acid. Night blindness is caused by the deficiency of
vitamin A. Kwashiorkor and marasmus are caused by deficiency of
proteins and food, respectively. Poverty is caused by deficiency of
kindness. Inequality is caused by deficiency of compassion.