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Serotonin.
Serotonin is a chemical that carries messages between nerve cells in the brain and throughout your body. Serotonin, also known as the "feel-good" chemical, is just another neurotransmitter. Serotonin performs numerous functions in the body, including those related to the gut, blood clotting, and sexual function, in addition to assisting with mood regulation.
Studies suggest that depression in some people may be complicated by low levels of certain brain chemicals, or neurotransmitters. The various classes of antidepressant medications may be able to reduce symptoms by restoring the balance of brain chemicals.
Depression is a quite very difficult condition to treat, even with the aid of drugs that help the brain's neurotransmitters balance specific neurotransmitters.
Find more on neurotransmitters at : https://brainly.in/question/4226811
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