It's dirty and disgusting. So why do we bite our nails? - The Verge

Submitted by Anonymous (not verified) on Sun, 11/13/2016 - 14:00

It's dirty and disgusting. So why do we bite our nails?The VergeIn 2012, the American Psychiatric Association decided to list nail biting and other pathological grooming behaviors like skin picking and hair pulling as obsessive compulsive disorders, or OCD. OCD includes people washing their hands over and over, ...