i'm uy vu. we begin with the opioid crisis. marin county will sue a dozen companies for highly addictive opid medications. they're suing drug companies to recoup taxey dollars th spent responding to the drug crisis. they include prescription painkillers and illegal drugs like heroin. while opioid prescription rates have declined, overdose deaths continue to risenationally. in california more than 2,000 people died from opioid overdoses in 2016 according to the state department of public health. ining me now to discuss different strategies to tackle this crisis are dr. scot zieger, an aociate professor laura cine and kqed kleinman and brian washington. welcome to you all. >> thank you. >> dr. steter, begin with definitions. what types of dugs are categorized as opioids? >> they're divided into two main categories, opiates which are derived from the poppy plant, so that includes like d rphine, codeine, heroin the more generic synthetic like oxycodone, fentanyl, hydromorphone, those are in the oader category of opioid. >> how do l