Here are some key points about serotonin. More detail and supporting information is in the main article. 1  Serotonin is an important chemical neurotransmitter in the human body. 2  It is commonly regarded as a chemical that is responsible for maintaining mood balance.
His proper name was Gaius Julius Caesar Agustus Germanicus. Caligula was a nickname meaning Little Boot, which his father's soldiers gave to him. He was the third emperor of Rome and the first to be assassinated. Historians say he was mad, and its entirely possible.
With Caligula killed and a milder emperor on the throne, Agrippina (who was emperor Claudius' niece) was recalled from exile and her son was given a good education. Once in AD 49 Agrippina married Claudius, the task of educating of the young Nero was handed to the eminent philosopher Lucius Annaeus Seneca.