Fill in the application form Along with your passport and your visa support documents, you will need to submit a completed Visa Application Form. All applicants for Russian visas now have to fill out their application on the website of the Ministry of Foreign Affairs here.
Serotonin and Behavior. Serotonin is a common neuromediator in the brain. It belongs to the group of so-called biogenic amines, relatively simple chemicals that facilitate the transfer of signals between the cells of the body.
Serotonin is a chemical known as a neurotransmitter, a substance your body produces from amino acids and releases in the brain to make it possible for the nerve cells to communicate. Serotonin, in particular, is associated with the regulation of your psychological and physical state.