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Pellagra is a disease caused by a lack of the vitamin niacin (vitamin B 3). [2] Symptoms include inflamed skin, diarrhea, dementia, and sores in the mouth. [1]
A disease that was characterized by dermatitis of sunlight-exposed skin was described in Spain in 1735 by Gaspar Casal. He attributed the cause to poor diet. [47] In northern Italy it was named pellagra from the Lombard language (agra = holly-like or serum-like; pell = skin). [48] [49] In time, the disease was more closely linked specifically ...
A man with pellagra, which is caused by a chronic lack of vitamin B 3 in the diet. Severe deficiency of niacin in the diet causes the disease pellagra, characterized by diarrhea, sun-sensitive dermatitis involving hyperpigmentation and thickening of the skin (see image), inflammation of the mouth and tongue, delirium, dementia, and if left untreated, death. [7]
Deficiency causes pellagra, a reversible nutritional wasting disease characterized by four classic symptoms often referred to as the four Ds: diarrhea, dermatitis, dementia, and death. The dermatitis occurs on areas of skin exposed to sunlight, such as backs of hands and neck.
The identification of Nicotinamide riboside (NR) as an NAD precursor in eukaryotes developed out of the study of pellagra. [11] Pellagra was the first disease to be associated with NAD+ deficiency. [12] It was linked to nutritional deficiency by Joseph Goldberger in 1914, and to deficiency of niacin (vitamin B 3) by Conrad Elvehjem in 1937 ...
Micronutrient deficiencies are considered a public health problem worldwide. For over 30 years it has been estimated that more than two billion people of all ages are affected by this burden, [1] while a recently published study based on individual-level biomarker data estimated that there are 372 million children aged 5 years and younger, and 1.2 billion non-pregnant women of reproductive age ...
As the Depression set in, Pellagra, a deficiency disease characterized by diarrhea, dermatitis, dementia, and death, hit the poor Piedmont mill villages of South Carolina. During this time, Sheriff focused on her efforts on eliminating this disease and providing aid to working mothers through a “healthmobile,” a mobile clinic where she ...
Pellagra (niacin or vitamin B 3 deficiency) [6] Gastroesophageal reflux disease, in such cases specifically called a water brash (a loosely defined lay term), and is characterized by a sour fluid or almost tasteless saliva in the mouth [7] Gastroparesis (main symptoms are nausea, vomiting, and reflux) Pregnancy; Fluoride therapy; Excessive ...