25 Recent data suggests that the prevalence of hoarding increases

25 Recent data suggests that the prevalence of hoarding increases with age. Samuels and colleagues24 reported that hoarding was almost three times more prevalent in individuals over the age of 54 than it was in individuals aged

34 to 44. This finding most likely is due to compulsive hoarding being a chronic and progressive disorder. Hoarding symptoms often develop during childhood or adolescence, and become clinically significant during middle age.26,27 Having the means to acquire and accumulate objects as a child may be substantially restricted; therefore, it may take a decade or more for symptoms tobecome clinically significant. Inhibitors,research,lifescience,medical In such cases, progression of hoarding symptoms may be slow. In Inhibitors,research,lifescience,medical other cases, hoarding may have a sudden onset in adulthood, such as after a traumatic life event or brain injury27,28 Fifty-five percent of Grisham and colleagues’27 sample reported experiencing a stressful life

event at the onset of hoarding symptoms, and these individuals had a significantly later age of onset than individuals who did not experience Inhibitors,research,lifescience,medical a stressful life event. Clinical studies have demonstrated that hoarding often co-occurs with other psychological disorders. In a large clinical sample, almost all individuals with a hoarding diagnosis met criteria for another Axis I disorder, and these individuals had significantly more co-occurring disorders than nonhoarding individuals with OCD.29 Compared with nonhoarding individuals with OCD, hoarders are consistently more likely to meet criteria for social anxiety disorder, bipolar disorder, and pathological grooming behavior.7,14,29 Hoarders also appear more likely to experience an alcohol-use disorder at some Inhibitors,research,lifescience,medical point in their lives.24,29 A community study has found that the prevalence of co-occurring disorders differs for men and women. In men, hoarding is associated Inhibitors,research,lifescience,medical with generalized anxiety disorder and tics,

while among women, hoarding is associated with social phobia, post-traumatic stress disorder, body dysmorphic disorder, nail biting, and skin picking.7 Women and men also may not be affected equally by hoarding symptoms. While clinical samples tend to be check details predominantly female,3,30 epidemiological samples have found that hoarding is twice Rebamipide as prevalent in males.24,25 The identification of a significant prevalence of men who compulsively hoard, and genderspecific comorbidity differences, presents a significant challenge for developing and engaging all individuals in effective treatment. A growing body of research suggests that hoarding is associated with a lower quality of life. First, hoarding appears to occur more frequently in the unemployed and poor.24,29 Although longitudinal studies are needed to determine if hoarding is a cause or consequence of financial insecurity, a recent Internet study indicated that hoarding may at least contribute to financial insecurity.

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