The medieval period was the time span of Western human progress between 500 AD-1000 AD. Ever of, the Middle Ages (or medieval period) endured from the fifth to the fifteenth century. It started with the fall of the Western Roman Empire and converged into the Renaissance and the Age of Discovery.
Yes, teens think they have to do something in order to be cool and not get bullied. Like drinking, teens being pressured by their friends to drink and if they don't their not cool, is an example.