then there's vivitrol, it blocks opioid receptors in the brain.ole new treatment approach. to change medicine takes time. that's what we've been doing for the last several year. >> i want to talk about another one where people don't understand the value -- arastata, people who take drugs for schizophrenia after a couple months think they're better. they don't know. this changes that? >> what people don't realize who aren't around schizophrenia a lot is it's a chronic, progressive degenerative disease. so patients are often diagnosed in their early 20s. they'll go on medicines then often stop taking the medicines for the reasons as you said, the disease progresses. the power of the long-acting injectables, particularly one that's well tolerated, you can give an injection, you can know the patient is getting the right amount of medicine, then a month later, two weeks, six weeks later yo later, you go back, get another injection. often patients don't take their medicine because they don't want to, they have disorganized thinking because of their dise