Widely-cited data on hoarding disorder shows that 2.5% of people across the U.S. live with the mental health condition.

A meta-analysis synthesized data from 11 carefully selected studies and found the estimated prevalence of hoarding disorder to be 2.5 percent, or 1 in 40 individuals.

Jayne's excessive hoarding after her husband died got so bad that she could only sleep on one half of her bed. "The other half was three to four foot high of boxes," said the mum-of-two, who ...