There has been controversy over the creation of a separate category in the DSM-5 for excoriation (skin picking) disorder. Two of the main reasons for objecting to the inclusion of excoriation disorder in the DSM-5 are: that excoriation disorder may just be a symptom of a different underlying disorder, e.g. OCD or BDD, and excoriation disorder is merely a bad habit and that by allowing this disorder to obtain its own separate category it would force the DSM to include a wide array of bad habits as separate syndromes, e.g., nail biting and nose-picking. Stein has argued that excoriation disorder does qualify as a separate syndrome and should be classified as its own category because: