Nose-picking and burping. Mucophagy, which is eating the extracted mucus, may be considered more taboo, and is sometimes portrayed in comedies. To be caught nose-picking may be considered humiliating. When nose picking becomes a body-focused repetitive behavior or obsessive–compulsive disorder it is known as rhinotillexomania. Most cases do not meet this pathological threshold. When it does, however, treatments similar to other BFRBs can be employed. The environment of the nose and the dried secretions removed contain many microorganisms. When a person is contagious with a cold, flu or other virus, it is important that hands or other objects used to remove
Obsessive–compulsive personality disorder triggered by events in the lives of those who are predisposed to OCPD. These events could include parenting styles that are over-involved and/or overly protective, as well as trauma faced during childhood. Traumas that could lead to OCPD include physical, emotional, or sexual abuse, or other psychological trauma. Under the environmental theory, OCPD is a learned behavior. Further research is needed to determine the relative importance of genetic and environmental factors. The fifth edition of the "Diagnostic and Statistical Manual of Mental Disorders" (DSM-5), a widely used manual for diagnosing mental disorders, defines obsessive–compulsive personality disorder (in Axis II Cluster