mental stages (e.g., higher rates of sexual an d religious obsessions in adolescents than in
children; higher rates of harm obsessions [e.g ., fears of catastrophic events, such as death
or illness to self or loved ones] in ch ildren and adolescents than in adults). 
Risk and Prognostic Factors
Temperamental. Greater internalizing symptoms, hi gher negative emotionality, and
behavioral inhibition in childhood are possible temperamental risk factors. 
Environmental. Physical and sexual abuse in childho od and other stressful or traumatic
events have been associated with an increased risk for de veloping OCD. Some children