Pellagra, a disease caused by a lack of vitamin B-3 (niacin) in the diet, became epidemic among the poor in the southern United States in the late 19th and early 20th centuries. […]
Tag: vitamin
Toxic amounts of Vitamin A in Polar Bear Liver
It has long been known among Eskimos and arctic travelers that eating polar bear liver can cause severe illness in men and dogs. Nearly 80 years, a researcher Norway named Kåre […]