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
Yale–Brown Obsessive Compulsive Scale assess symptoms of obsessive compulsive disorder from childhood through early adolescence. The CY-BOCS contains 70 questions and takes about 15–25 minutes. Each question is designed to ask about symptoms of obsessive compulsive behavior, though the exact breakdown of questions is unknown. For each question, children rate the degree to which the question applies on a scale of 0-4. Based on research, this assessment has been found to be statistically valid and reliable, but not necessarily helpful. The CY-BOCS has been adapted into several self- and parent-report versions, designed to be completed by parent and child working together, although most have