Hormone Serotonin or 5-hydroxytryptamine (5-HT); aging and cognitive functions

Kyle J. Norton(Scholar and Master of Nutrients, all right reserved)
Health article writer and researcher; Over 10.000 articles and research papers have been written and published on line, including world wide health, ezine articles, article base, healthblogs, selfgrowth, best before it's news, the karate GB daily, etc.,.
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Some articles have been used as references in medical research, such as international journal Pharma and Bio science, ISSN 0975-6299.                     

          Hormone Serotonin or 5-hydroxytryptamine (5-HT) 

Serotonin or 5-hydroxytryptamine (5-HT) is a monoamine neurotransmitter derived from tryptophan, primarily found in the gastrointestinal (GI) tract, platelets, and in the central nervous system (CNS). In Gut, serotonin regulates intestinal movements, in CNS, it regulates mood, appetite, sleep, memory and learning, etc.

     Hormone Serotonin or 5-hydroxytryptamine (5-HT):  aging and cognitive functions

Serotonin and acetylcholine interact to allow normal cognitive functions in the brain. Thus, a partial reduction in both cholinergic and serotonergic functions will cause severe memory impairment in young as well as in aged rats, according to the dtudy by Department of Neurobiology, Weizmann Institute(10).


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Sources
(10) http://www.ncbi.nlm.nih.gov/pubmed/8239292