The case sample included 433 patients (227 males and 206 females) diagnosed with OCD. The onset was before the age of 15 years for 38% of the patients, and before 12 years of age for 21%. Diagnosis ...

“Pure O” is not a formal mental health diagnosis. It refers to a form of OCD in which people may have compulsions that involve mental rituals more so than specific actions. Although pure obsessional ...