Caused by deficiency of niacin (vitamin B3; nicotinic acid) and protein.
Nervous and digestive disease due to deficiency of nicotinic acid in diet.
Chronic disease mostly seen in subtropical countries in which the staple food is corn. It is caused by deficiency of nicotinic acid (one of the B vitamins), which is contained in protein foods, beans and peas, and yeast. Symptoms include diarrhea, skin eruptions, and mental disturbances. + prikaži više