EW takes a stab at picking the most essential slasher films, from the subgenre's origins with Norman Bates in 'Psycho' to classics like 'The Texas Chain Saw Massacre' and 'Halloween.'

These are horror movies, spanning decades, and, thus, don't always, or often, offer up the healthiest representations of human sexuality. Whether it's vampire eroticism or horny teen campers, sex in movies is complicated,

The best body horror films explore gore and human transformation on levels utterly alien to other types of films, resulting in unforgettable stories.