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 ...

A peer-reviewed study published in Comprehensive Psychiatry found that a single 10-milligram oral dose of psilocybin significantly reduced obsessive-compulsive disorder symptoms in 19 adults, with ...