How many are there in a book? <a href=" http://jillianreilly.com/essay-on-obesity-among-school-children/#professional ">american scholar essay</a> More than 6 million Americans are living with OCD, many of them undiagnosed and untreated. “OCD is not a rare disorder — it affects more people than schizophrenia, panic disorder or bipolar disorder,” says Grice. “There’s a wide range of severity, but in the more severe cases, OCD can be extremely disabling, especially when the compulsions become time-consuming and elaborate — for instance when someone can’t get to work or school because they’re stuck washing their hands again and again, checking the locks and windows over and over, or performing actions until they feel just right or perfect.”