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
Animal psychopathology than would normally be expected. It is unknown whether animals are able to 'obsess' in the same way as humans, and because the motivation for compulsive acts in non-human animals is unknown, the term "abnormal repetitive behaviour" is less misleading. A wide variety of animals exhibit behaviors that can be considered abnormally repetitive. Though obsessive-compulsive behaviors are often considered to be pathological or maladaptive, some ritualized and stereotyped behaviors are beneficial. These are usually known as fixed action patterns. These behaviors sometimes share characteristics with obsessive-compulsive behavior, including a high degree of similarity in form and use among many individuals