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Hartnup disease (also known as "pellagra-like dermatosis" [1] and "Hartnup disorder" [2]) is an autosomal recessive [3] metabolic disorder affecting the absorption of nonpolar amino acids (particularly tryptophan that can be, in turn, converted into serotonin, melatonin, and niacin).
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]
Niacin is a common vitamin found in many foods, including meat, fish, nuts, grains and cereals, according to the National Institutes of Health. Eating these foods allows most Americans to consume ...
The predominant cause of nutritional optic neuropathy is thought to be deficiency of B-complex vitamins, particularly thiamine [2] (vitamin B 1), cyanocobalamin (vitamin B 12) and recently copper. [3] Deficiency of pyridoxine (vitamin B 6), niacin (vitamin B 3), riboflavin (vitamin B 2), and/or folic acid also seems to play a role. Those ...
Example of a label showing the amount of niacin (Vitamin B3), and specifying to be niacinamide in the ingredient section.. The United States adopted in 1942 the terms niacin to nicotinic acid and niacinamide to nicotinamide to avoid references to nicotine, [12] [13] the terms were incorporated into the United States Adopted Name [14] that was created later in 1961.
Berkowitz's zeal for waterfowl, however, has detractors along with supporters. In total, the Duck Pond hosts 400 permanent residents, many of them domestic nonnative birds abandoned by former ...
A search is underway for two teen brothers who went missing over the weekend after one of their kayaks overturned while duck hunting in Northern California. Rescue teams are searching the ...
California Department of Fish and Wildlife The San Jacinto Wildlife Area (WA) is a 20,126-acre (8,145 ha; 31.447 sq mi) wildlife preserve in the Inland Empire region of California in the United States managed by the California Department of Fish and Wildlife . [ 2 ]