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.
Caligula also kept his favourite racehorse, Incitatus, inside the palace in a stable box of carved ivory, dressed in purple blankets and collars of precious stones. Dinner guests were invited to the palace in the horse's name. And the horse, too, was invited to dine with the emperor.