Search results
Results from the WOW.Com Content Network
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]
Low plasma tryptophan is a non-specific indicator, meaning it can have other causes. The signs and symptoms of niacin deficiency start to revert within days of oral supplementation with large amounts of the vitamin. [23] [24] Chronic alcoholism is a contributing risk factor. Pantothenic acid (Vitamin B 5) deficiency: Irritability, fatigue, and ...
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]
Measurement of blood methylmalonic acid (MMA), a vitamin B 12-associated metabolite, is a commonly used biomarker. [2] Deficiency is often suspected first, as diagnosis usually requires several tests. [2] [141] There is no gold standard assay to confirm a vitamin B 12 deficiency. [142]
In the 1930s, he contributed significantly to finding a cure for pellagra, a nutritional disease that once afflicted millions in the American South. Later, he also made a large contribution to finding cure for tropical sprue. For his efforts in elimination of pellagra, Time Magazine named him as 1938 "Man of the Year" in comprehensive science. [1]
According to estimates, subclinical vitamin A deficiency, characterized by low retinol levels, affects 190 million pre-school children and 19 million mothers worldwide. [ 121 ] The WHO estimates that 5.2 million of these children under five are affected by night blindness, which is considered clinical vitamin A deficiency. [ 122 ]
Pellagra, a similar condition, is also caused by low nicotinamide; this disorder results in dermatitis, diarrhea, and dementia. [citation needed] Hartnup disease is a disorder of amino acid transport in the intestine and kidneys; otherwise, the intestine and kidneys function normally, and the effects of the disease occur mainly in the brain and ...
pellagra [4] dermatomyositis [5] Bloom syndrome [6] Rosacea, a long-term skin condition characterized by a red rash, usually on the face. Lupus causes up to 96% of all cases of malar rash. [3] Where lupus is suspected, further medical tests and a detailed history and examination are necessary to differentiate it from other conditions.