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.
3. Caligula captured the obelisk that stands in St. Peterâs Square. Roman Emperor Caligula built a small circus in his motherâs gardens at the base of Vatican Hill where charioteers trained and where Nero is thought to have martyred the Christians. To crown the center of the amphitheater, Caligula had his forces transport from Egypt a pylon that had originally stood in Heliopolis.