Human nose the Japanese invasions of Korea from 1592 to 1598. The septal cartilage can be destroyed through repeated nasal inhalation of drugs such as cocaine. This in turn can lead to more widespread collapse of the nasal skeleton. Nose-picking is a common, mildly taboo habit. Medical risks include the spread of infections, nosebleeds and, rarely, perforation of the nasal septum. When it becomes compulsive it is termed rhinotillexomania. The wiping of the nose with the hand, commonly referred to as the "allergic salute", is also mildly taboo and can result in the spreading of infections as well. Habitual as well as
Cause of obsessive-compulsive disorder the basal ganglia. Twin studies and family association studies have demonstrated that there are definite genetic factors underlying obsessive-compulsive disorder. The majority of family association studies demonstrated that at least some forms of OCD are familial. The rate of OCD among relatives of affected individuals was significantly higher than the estimated population prevalence of OCD and the rate among controls. Relatives of adults with OCD were approximately two times more likely to be affected than the controls, while relatives of children and adolescents with OCD were about ten times more likely to have OCD as well. However, that familial association