GREETINGS

my brother has been suffering from a disease called ocd(obsessive compulsive disorder) for the past 5 yrs. he started developing the symptoms of this disease since class 7.the symtoms of this disease are slowness in doing daily activities like bathing,repeatedly reaching school late,taking too much time for bathing and washing hands,washing hands repeatedly,having negative and disturbing thoughts all the time.these were the symptoms noticed initially.but now he is 23 yrs old and he has stopped taking bath completely for 3 months,he has stopped going to college and is sleeping at home all the time doing nothing.he does not have any friends and does not like to go outside the house.his life totally meaningless to him and has thought of committing suicide many times.my parents are totally worried about him and working relentlessly to cure him of this disease.we have tried different kinds of treatment but nothing is working for him.i doubt if any spirit or aatma is residing in his mind that is causing this mental disorder in him?pls help. thanking you.