Objective To synthesize the current knowledge on possible environmental risk factors for
Obsessive-Compulsive Disorder (OCD). Method We conducted a systematic review …

The obsessive–compulsive (OC) spectrum has been discussed in the literature for two
decades. Proponents of this concept propose that certain disorders characterized by …

The third edition of the hugely successful Handbook of Child and Adolescent Clinical
Psychology incorporates important advances in the field to provide a reliable and accessible …

Background: Despite an expanding epidemiological evidence base, uncertainties remain
over key aspects of the epidemiology of the 'antisocial'disorders in childhood and …

Background: Literacy difficulties show high levels of comorbidity with both disruptive and
emotional disorders, but questions remain over the nature and specificity of these links …

Obsessive-compulsive disorder (OCD) is common, emerges early in life and tends to run a
chronic, impairing course. Despite the availability of effective treatments, the duration of …

Since the early eighties, there has been a growing interest in the descriptive epidemiology of
obsessive–compulsive disorder (OCD). In this narrative review, the authors describe the …

Background: Little is known about the development of anxiety symptoms from late childhood
to late adolescence. The present study determined developmental trajectories of symptoms …

Background: Callous and unemotional (CU) traits might usefully subtype DSM‐IV conduct
disorder (CD). We investigate this hypothesis in a large, nationally representative sample of …

Obsessive-compulsive disorder (OCD) is characterised by the presence of obsessions or
compulsions, or commonly of both. OCD is the fourth most common mental disorder after …