dr. nora to think this is the focal point of our living room. it's the focal point of our lives. ray, just move this into the den, ok? [doorbell rings] [gasp] oh, my god, she's here. i'll get it. no, no, no, no! i'll get it. just, ray, please. please what? just...please. debra: ok... hello. hi! debra? yes. oh, my god. come on in. this is unbelievable. ray, this is dr. sarazin. there's no reason to be so formal. call me dr. nora. ha ha ha! dr. nora. i feel stupid. debra: ha ha ha! you have a lovely home. oh, thanks. you know, we're gonna repaint this room. too many bad memories here. ha ha ha ha! ha ha ha ha! and, uh--well, these are our 2 boys, geoffrey and michael. what adorable twins. oh, thank you. it is good you dress them differently. well, of course, because they're different people with different personalities. and--and this is my daughter ally. hello! what are you drawing there, ally? naked barbies. um...honey, why don't we draw barbie building something, huh? she could still be naked.

dr. nora: and thank you for joining me today it's your problem. i'm dr. nora sarazin.mmm, hi, honey. you're talking about me to some radio shrink? she's one of the most respected psychotherapists in the country. i was lucky to get through. what did you say to her? it's just that i called because some other caller was saying how she didn't feel appreciated. some hooker from dallas. wait a minute. so you don't feel appreciated. it's just that we don't get to spend a lot of time together. and dr. nora says that can lead to feeling unappreciated. oh, what the hell is she talking about? i appreciate you. by the way, thanks for... everything. yeah, you... [telephone rings] hello. oh, yeah, right here. it's dr. nora. shut up. sure. hello. [whispering] ray, it's dr. nora! that's what i said. [chopping] hi there. uh-huh. [chopping] do you have to do that now? stop it. uh-huh. oh, really? wow. that would be terrific. [ice cubes clanking] [ice cubes clanking] shh! yeah. what? oh, my god. i am so flattered. [rustling] [clank] when would that be? debra: yeah. [snap] i think that wo

brain researcher dr. norakow. >> if you smoke a very potent marijuana, then the thc content is going to go very fast into your brain at relatively high concentrations, and then that increases its rewarding effects and likelihood of transitioning into addiction. >> how much stronger is it? >> you see the barbed wire, obviously, on the fences. >> well, i traveled to mississippi where marijuana is illegal, but here on the campus of one of the country's oldest universities, ole miss, a huge stash of marijuana is under lock and key. >> this is our vault. >> this is some pretty tight security. look at this door. >> mahmoud runs what's called a marijuana potency project. what's the potency of this? >> this is about 8%. >> for three decades now his team has analyzed weed confiscated from drug busts. >> this is 36% thc. you can smell it. it has a good aromatic smell. >> how much does this worry you? 36% thc confiscated? >> very dangerous material. for someone that is not experienced in marijuana smoking takes some of t

. >> dr. nora volkoff says they are not standing in the way.ly government institute that approves marijuana research. >> if you would come up with something that says this is going to be a treatment for drug addiction, then it will go to us. if it's cancer, it goes to the cancer institute. if it is schizophrenia, it goes to nimh. so they have a mission with certain diseases. >> what is clear, there are bureaucratic hoops that most researchers simply don't want to jump there. neuroscientist carl hart. >> there are not many people studying marijuana. it's very difficult to get approved to study marijuana. >> what's nice about israel is that the government is helping the research to happen. >> and it's research that could give hope to patients like charlotte. scientists in israel are learning that marijuana use might actually protect the brain, not damage it. >> they've been able to show it can decrease the amount of brain injuries from head injuries in mice. >> to be able to give medicine after the injury to reverse some of the damage, that's hug

nora volkow. she is the director of the national institute of drug abuse at the national institute of health. dr. volkow's work has been instrumental in demonstrating that drug addiction is a disease of the human brain. among her many accomplishments, dr. volkow pioneered the use of brain imaging to investigate the toxic effects benedict as properties of abusable drugs. she was recently named one of time magazine top 100 people who shape our world. congratulations. next, we are pleased to have chose to rannazzisi -- rannazzisi return to the drug caucus. he is the deputy assistant administrator of the office of diversion control at the drug enforcement administration, known as the dea. as deputy assistant administrator, mr. rannazzisi is responsible for overseeing and court meeting the investigation on major pharmaceuticals, of major pharmaceuticals, forerunner chemicals, clandestine laboratories and synthetic drugs. .. we will begin with you. >> chairman feinstein, co-chairman grassley, ms. klobuchar thank you for this opportunity on cassette of the cousin that it drug use. i was on the year whe