Entertaiment is a form of amusement or pleasure that stimulates the brain to realease seratonin and dopamine. It is a type of activity that the human brain was evolved to react deeply to, wich gives a good feeling considering how the world works. Entertainment often focuses on themes the human brain was evolved to understand such as murders, backstabbing and other social issues. It is a form of art that crosses over different media and can be found in the forms of movies, TV shows and books. The word has roots in medieval Latin intertenere and Indo-European ten, meaning to hold inside.