neuroscientist carl hart. >> there are not many people studying marijuana. 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 figgy. scientists in israel are learning that marijuana use might actually protect the brain, not damage it. >> they've been able to show that it can decrease the amount of brain damage from head injuries in mice. >> right. to be able to give a medicine after the injury to reverse some of the damage, that's huge. >> i want to paint my nails. >> you want the paint your nails? i'll paint your nails. >> i literally see charlotte's brain making connections that haven't been made in years. it's almost seeming to build her brain where before it seemed broken. >> and while scientists are still at the early stages of knowing if this is actually happening, i can tell you it was remarkable to see her progress. in the three months since we first met her, we saw a change. she was now talking more. >

neuroscientist carl hart. >> there are not many people studying marijuana.roved 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 huge. >> you want to paint your nails? i'll paint your nails. >> i literally see charlotte's brain making connections that haven't been made in years. it's almost seeming to build her brain, where before it seemed broken. >> and while scientists are still at the very early stages of knowing if this is actually happening, i can tell you it was remarkable to see her progress. in the three months since we first met her, we saw a change. she was now talking more. >> say puppy. >> puppy. >> yea! >> she's horseback riding. >> go

shipp and morgan state university and carl hart author of "high price" and neuroscientist journey of self-discovery that challenges everything you know about drugs in society. this is about an hour and 15 minutes. >> hello everybody. [applause] is everybody here he may? dr. hardback you are laying a really heavy one on us with this book "high price." there's a lot i want to talk to you about and hopefully raise some of the issues that people in our audience are also curious about. let me start with the title itself. what is the high price to which you referred and who is paying that price? >> price? >> first of all i just want to say thank you all for coming out. i know you all could be doing something else on this hot day in new york so thank you all for joining us. so "high price" what is the title? some of you all may have heard or seen some of the publicity around the book. i am the first tenured african-american scientist at columbia and when that is the case one must pay a price. in the book i am saying that the price is too high. it's a hell of a told that it takes on someone