it's low in thc, but high in cbd, cannabidiol. remember that name.the key therapeutic chemical doctors are using to treat everything. from chronic pain to lupus, to crohn's disease and epilepsy. so 80% of this farm is now a high cbd, low thc. i mean, this is the exact opposite of what people think of when they think of marijuana. >> this won't get you high. >> you can set the whole hippie population of colorado loose on this plant and you're just going to be looking at a bunch of disappointing hippies. >> the stanleys are not concerned about disappointing hippies. they've seen this plant change lives. they have a brand new lab, manned with scientists who are turning their plants into medicines. brother joel stanley is in charge of that part of the business. >> it wasn't a world that i knew, so we kind of had to dive into this and learn how to make plant extracts. >> joel was reluctant at first to get involved. he avoided marijuana most of his life. but the spring of 2009, he was working in texas on the oil fields when his oldest brother, josh, asked

it's low in thc but high in cbd, cannabidiol. remember that name.he key chemical doctors are using to treat everything, from chronic pain to lupus, to crohn's disease and epilepsy. so 80% of this farm is now a high cbd, low thc. i mean, this is the exact opposite of what people think of when they think of marijuana. >> this won't get you high. >> you can set the whole hippie population of colorado loose on this plant and you're just going to be looking at a bunch of disappointing hippies. >> the stanleys are not concerned about disappointing hippies. they've seen this plant change lives. they have a brand new lab, manned with scientists who are turning their plants into medicines. brother joel stanley is in charge of that part of the business. >> it wasn't a world that i knew, so we kind of had to dive into this and learn how to make plant extracts. >> joel was reluctant at first to get involved. he avoided marijuana most of his life. but the spring of 2009, he was working in texas on the oil fields when his oldest brother, josh, asked him to join t

two ingredients, thc -- that's the psychoactive part that makes you high, and cbd, also called cannabidiolthey think it regulates electric activity to help quiet the activity in the brain that causes the seizures. >> i've been telling our patients -- >> dr. julie holland is the editor of the pot book, a complete guide to cannabis. >> for a long time the work on cannabis and epilepsy was sort of inconclusive. maybe it works. maybe it doesn't. they couldn't quite figure it out. it's only when they really started separating thc from cbd that they saw definitively, yes, cbd seems to really stop seizures. >> so the figges needed to find something that was rare, a strain of marijuana that was low in thc. of course, they didn't want charlotte getting stoned. but also high in cbd to treat her seizures. and that wouldn't be easy. dispensaries and growers, they make their money off strains that are high in thc. >> i'm joel. >> i'm josh. >> no one knows that better than the stanley brothers. their family business is pot. and if you look at these clean-cut guys and what you see surprises you, don't wo

>> well, one of the reasons possibly is because the thc works better when cannabidiol is there.have both it works better. >> he calls it the entourage effect, and that's what gw is doing. every extract will have all the plant's chemicals in it. the extract is then packaged as an approved prescription spray. in order to increase the chances of getting that approval, every step from growing to harvesting to manufacturing is all carefully controlled, regulated, and rigorously tested to strict standards so that every plant, every extract, every dose is identical, safe, and effective. it is an expensive and painstakingly slow process. it has taken hundreds of millions of dollars and a decade to develop their first drug for the unrelenting pain and spasms brought on by multiple sclerosis. as a neurosurgeon myself, i was curious just how well this medicine could work. theresa pointer was diagnosed with m.s. in february of 2004. for years she struggled with pain and exhaustion. she tried just about everything but found the drugs prescribed to her were either ineffective or had awful sid