aimee, 32, who has watched her mother medicate for the last decade just started hitting the vaporizert you've heard the arguments, which is that marijuana is the gateway drug. >> yes, i've heard that it's a gateway drug. but i define it as my exit drug, because compared to what i was doing before, wow. i'm a lot less stoned now. >> you know, i have to admit, i was a skeptic too. you know, i would have been one of those moms watching this right now and said, that woman's out of her mind. it's up to the person to be a responsible parent. >> reporter: being responsible also means being healthy. and many of these moms choose to grow their own marijuana. this is cheryl at her pot farm where she harvests her thc with tlc, right next to the tomatoes and the zucchini. you'll notice these moms use the phrase "medicate," not "get stoned." they claim they don't get so baked that they can't care for their children, drive safely, work a demanding job or function during, say, a network news interview. have any of you guys done any pot today? >> right before i sat down. >> coming over here i was rea

not to medicate your feelings just because -- >> aimee, you're shaking your head. you disagree? >> i disagree. we were on the katie couric show recently with dr. sanjay gupta and he had a lot to say about this. not a medical professional. i wish we had a medical professional. a medical professional would disagree. >> doctor, back to you. >> i'd like -- >> i want have to the doctor finish real quick. doctor, why don't you think pot should be legalized? >> yeah. let's get something straight. all right? these people, their specialty is pr. it is not addiction. i've been involved in addiction field for almost 25, 30 years based on also me being an addict. okay? i deal with this day in and day out. how dare they tell me what i'm saying is not true when i treat individuals who have panic attacks, anxiety attacks, who cannot sleep who have major impulse control issues because they've been smoking pot every day for five years, three years, ten years. lack of motivation. these are facts. so please, don't tell me that i'm wrong when i deal with this issue on a daily basis. that is irrespo

. >>> tonight in arkansas, a young girl is battling a deadly brain-eating aimee day.octors believe kali hardig may have been infected at a local water park, which has listen linked to the illness once before and would have served as an i deal petri dish. there's an experimental new treatment that could be the key to saving kali's life, if that miracle happens. our medical correspondent elizabeth cohen is outfront. i know you spoke with kali's mother, so, what did she tell you? >> reporter: she told me they really are taking it wound day at a time. they are feeling some hope, because she does seem to be getting better. in the beginning, she said, they were just devastated when they first got the diagnosis. >> my husband asked, what was the prognosis for this amoeba and he explained to us that there was not a cure for the amoeb amoeba. we just both couldn't believe that we were going to lose kali, but we decided that we weren't going to accept that and we were going to start praying and hopefully our daughter would beat the odds. that's all we had to hang onto. >> repor

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