Serotonin is a monoamine neurotransmitter produced in the central nervous system and the gastrointestinal tract. Although nearly 80 to 90% of serotonin is found in the small intestines, it has a great impact upon the emotional health of an individual.
In the nervous system serotonin regulates aggression, anger, mood and sexuality along with other aspects like sleep, appetite and metabolism. It also stimulates vomiting. Serotonin, in the blood is stored in the platelets, which collect it for healing purposes. Recent studies indicate that serotonin also plays an important role in liver regeneration and division of cells.
High levels of serotonin in the brain have been associated with aggression, mood swings and an increased risk of suicide. Some of the drugs that enhance or restrict serotonin in the brain are used to treat psychological disorders, control vomiting and migraine. The various classes of drugs used for this purpose include:
