addiction is a neuropsychological disorder characterized by a persistent and intense urge to use a drug

addiction neuropsychological disorder characterized persistent intense urge use drug appointment treatment staff ask work family housing situation repetitive alters brain function ways perpetuate craving weakens selfcontrol classic signs include compulsive engagement rewarding stimuli preoccupation substances behavior continued negative consequences habits patterns associated typically gratification examples substance alcoholism cannabis amphetamine cocaine nicotine opioid functional mental disorders parental supervision experimentation pain killer killers kill die death fentanyl potent synthetic approved food administration analgesic