Studies have found links between serotonin and bone metabolism, breast milk production, liver regeneration, and cell division. Drugs that alter serotonin levels are used to treat depression, nausea, and migraine , and they may have a role in obesity and Parkinson's disease. Most of the body's serotonin is found in the GI tract, where it regulates bowel function and movements. Other ways to increase body serotonin levels may include mood induction, light, exercise, and diet. In the brain, serotonin impacts levels of mood, anxiety , and happiness.
As it occurs widely throughout the body, it is believed to influence a variety of body and psychological functions. Depression has been linked to low levels of serotonin, but whether this contributes to depression or results from it remains unclear. Drugs that alter serotonin levels are used to treat depression, nausea, and migraine , and they may have a role in obesity and Parkinson's disease. Normally, once a neurotransmitter has transmitted its neural impulse is reabsorbed into the body. The scientific name for serotonin is 5-hydroxytryptamine, or 5-HT. Serotonin cannot cross the blood-brain barrier, so any serotonin that is used inside the brain must be produced inside the brain. Examples include fluoxetine Prozac , citalopram Celexa and sertraline Zoloft. However, scientists are now questioning the role of serotonin or any single neurotransmitter in triggering depression. SSRIs prevent the serotonin from being reabsorbed, leading to higher levels of serotonin in the synapses. It is mainly found in the brain, bowels, and blood platelets. If you eat something that is toxic or irritating, the gut produces more serotonin to increase transit time and expel the irritant in diarrhea. Can serotonin boost happiness, or is it more complex than that? They are the most commonly prescribed antidepressants. In the brain, serotonin impacts levels of mood, anxiety , and happiness. Serotonin is most commonly believed to be a neurotransmitter, although some consider it to be a hormone. This also stimulates the nausea area in the brain, resulting in nausea. Function As a neurotransmitter, serotonin relays signals between nerve cells, or neurons, regulating their intensity. It appears to play a key role in maintaining mood balance. However, it is not known exactly if serotonin affects these directly, or if it has an overall role in co-ordinating the nervous system. As the precursor for melatonin, it helps regulate the body's sleep-wake cycles and the internal clock. Fast facts on serotonin Serotonin is an important chemical and neurotransmitter in the human body. Illicit mood-altering drugs such as Ecstasy and LSD cause a significant rise in serotonin levels. Together, they form 5-hydroxytryptamine 5-HT , or serotonin. It is also present in the blood platelets and the central nervous system CNS. There may be a link between serotonin and depression. Some scientists have linked high levels of serotonin in the bones to an increase in osteoporosis , but others have challenged these results.
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