Pellagra is a disease caused by insufficient levels of niacin (vitamin B3). Its primary cause is insufficient nutrition; it is most commonly a side effect of malnutrition and starvation. It’s characterized by an inflamed skin rash, dementia, and diarrhea. Left untreated it can be fatal.
Get the entire The Book Woman of Troublesome Creek LitChart as a printable PDF.
"My students can't get enough of your charts and their results have gone through the roof." -Graham S.