The concept of comorbidity between attention deficit/hyperactivity disorder (ADHD) and
obsessive-compulsive disorder (OCD) has been discussed for two decades. No review …

Background Several interventions are available for management of obsessive-compulsive
disorder in adults, but few studies have compared their relative efficacy in a single analysis …

Objective Understanding chronicity in OCD is hampered by contradictory findings arising
from dissimilar definitions of chronic OCD. The purpose of this study was to investigate the …

Background The symptoms of obsessive− compulsive disorder (OCD) are highly
heterogeneous and it is unclear what is the optimal way to conceptualize this heterogeneity …

Objective Inspite of the worldwide relevance of obsessive-compulsive disorder (OCD), there
is a substantial lack of data on comorbidity in OCD and subclinical OCD in the general …

Background: Obsessive-compulsive disorder (OCD) is a heterogeneous and disabling
condition; however, no studies have examined symptom categories or subtypes as …

Background: To explore clinical features of symptoms and comorbidity according to the age
of onset of patients suffering from obsessive–compulsive disorder (OCD). Methods: The …

Importance Several mental disorders have consistently been found to be associated with
decreased life expectancy, but little is known about whether this is also the case for …

Objectives: To describe lifetime prevalence rates, course and comorbidity of obsessive-
compulsive disorder (OCD), obsessive-compulsive syndromes (OCS) and OC-symptoms …

Obsessive-compulsive disorder (OCD) is characterized by timeconsuming obsessions and
compulsions that cause distress and impairment1. It can affect people of all ages and has a …