Individuals can be included if they have certain medical conditions that have been described to have a higher incidence of OCD/depression and anxiety disorders: e.g., individuals with underlying neurological or neuropsychiatric conditions (e.g., tic disorders or dystonias, including torticollis and blepharospasm), connective tissue disorders, but must show no other serious or acute medical illnesses as determined by a physical exam and standard laboratory examinations.