Studies have estimated that hoarding disorder affects around 2.5% of the general population — a higher rate than schizophrenia. The mental illness was previously considered a sub-type of obsessive-compulsive disorder, but in 2013 it was given its own diagnostic criteria in the Diagnostic and Statistical Manual of Mental Disorders, the DSM-5.
For Seniors With Hoarding Disorder, a Support Group Helps Confront Stigma and Isolation – https://kffhealthnews.org/news/article/hoarding-disorder-support-groups-pennsylvania-baby-boomers/
Yikes.