Pellagra
Pellagra is the vitamin deficiency disease caused by the deficiency of vitamin B3 (niacin) or tryptophan. It is common in countries such as Africa, Indonesia, China that have corn as their staple diet, because corn doesn't contain niacin. It is a treatable condition, but it can be fatal if left untreated for any time over four years. Causes: Pellagra can be caused by the deficiency of Vitamin B3, gastrointestinal problems which reduce the low absorption of nutrients, prolonge