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Its 3 30, and this will be my third cigarette of the day. Reporter jesse is a smoker looking for a way out. This is my fourth cigarette of the day. Reporter how bad does she want to quit . You might be surprised. The 24yearold is at the university of new mexico, where she is willingly going through a low grade form of Shock Therapy, a combination of meditation and whats called brain stimulation, powered by a simple nine volt battery. Well jump right into the meditation if thats okay with you. Sure. Reporter and in california, j. D. Has given up his morning jolt of coffee for something a bit stronger. His morning boost almost sounds like hes jump starting a car. He takes an actual jolt of electricity straight to his brain. This simple device placed on j. D. s skull. Could it be a real life thinking cap . I definitely think its effective. Ive stopped Drinking Coffee although. I used to drink two, three, four cups a day. Just one short session in the morning is just to carry me throughout the entire day. Reporter its called tdcs. Its users believe it can help sharpen focus and improve memory, coordination and learning. Even though this form of brain stimulation is totally unregulated, youtube is filled with people i feel very good, very calm. Reporter posting their own diy videos. Theres definitely current going through my skull. Reporter claiming its a miracle treatment that can make people smarter and more focused. Reduce anxiety and ease pain. Among them, video gamers. I do feel focused. Reporter who believe their skills have improved by hooking themselves up to tdcs kits. J. D. First heard about tdcs in college and used it as a super charged learning aid. I went in to take the test, i thought i was going to fail. I got an a. I would remember looking at the questions on the test and remembering concepts down to the very paragraph they were in the book. Rrl scientists in controlled studies around the world have been researching tdcss impact on the human brain for years. The military wants in on it. Funding some of the Cutting Edge Research now being done at the university of new mexicos Clinical Neuroscience center, to figure out if brain stimulation can make soldiers sharper. Were going to do this for 30 minutes. Running a weak current through two moistened electrodes. Reporter in this experiment, students run through a series of assessments on a computer monitor. Similar to what soldiers train with. So see if they perform with their brains hooked up to ninevolt batteries. It feels like when your leg goes numb. Not that bad at all, though. Oh. Now i can feel it. Now i can feel it. Reporter is it freaking you out . Are you snok. Im fine. Its interesting, though. Just a little electrical stuff can make you feel that way. Reporter unlike traditional Shock Therapy in which a patient is put under general anesthesia and a seizure is intentionally triggered, tdcs is very low power and for many, hardly noticeable. Are you feeling smarter . No, not so far. Reporter less marsmart . If anything, slightly uncomfortable. Nothing major. Reporter dr. Vincent clark is heading up the research in whats become ground zero for some of the most come prohencive studies into tdcs. We can double learning rate in people. Reporter hold it there. You really believe you are doubling learning rate . We have a number of studies weve replicated a number of times. Each time, were able to at least double learning rate in people. Reporter its so interesting. In describing this, you almost make it sound like a performance enhancing drug. It can be used to enhance performance. It influencing brain function in a way that might produce benefits. I came up with this design here. Reporter which brings us back to j. D. At 25, he founded the brain stimulator, a business he started in his moms garage. I put the first device that i ever built up on ebay and it sold overnight and the next one i put up sold within an hour. I figured i might be onto something. Reporter today, hes expanded into a factory. This is where everything gets wired up and Quality Control tested. Reporter he claims he ships between 25 and 50 devices a day for 90 a pop. Demand is so high, he needs help from his mom, uncle, even his grandmother. Alaska, texas, new york, two in new york. Brazil. Reporter thats despite the fact that his website comes complete with a warning, the brain stimulator is not a medical device. And the results are from our finding and may be incomplete and or completely wrong. Do not view this data as absolute fact. He says he isnt worried about being called a modern Day Snake Oil salesman and believes the market for brain stimulation is only growing. Probably a good 20 orders here. It could turn into a wearables market. Or it could stay at more of something that people like to do in their house or in private. Reporter but k0ucould he be playing with fire . These devices have been shown to be in safe when they are done in controlled trial, but no ones studied home devices to know, is it safe to let them use it at home . Thats very different. Reporter we asked abcs dr. Richard besser, cant all this home brain stimulation be dangerous . The studies that have looked at this havent found any harm. Its a safe thing to do. What we dont really know is, shortterm, longterm, does it really work . Reporter following her session, jesse, so desperate to quit smoking, says she feels a bit better and craves cigarettes less. Its the day after my treatment and i have still yet to have a cigarette. Reporter but it is the brain stimulation . She thinks her results might just be from the meditation, not what came out of that battery. Youre a skeptic. I am. I am definitely a skeptic. Reporter shes not alone. I have to be a skeptic and wonder, if its so great, why isnt there more research being done . Why is it just a lab in new mexico thats that had secret . I think part of it is, its so new that nobodys heard of it yet. A lot of the big studies that need to be done, safety studies and large Clinical Trials havent been done yet. Reporter dr. Clark says buyingbuy ing a homemade skit might be risky because no one yet knows if there could be longterm effects. And while he is a believer when it comes to easing pain and helping with learning, even he is cautious. Do you stimulate your brain . I have in the past but i dont typically. I dont need it. I dont drink coffee, either. I dont feel like i need it, you know . Reporter im Neal Karlinsky for nightline in albuquerque, new mexico. Next, for some wealthy animal lovers, the road to the triple crown is about more than a sporting event. And were in the thick of their race to riches. 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Youre about to meet some well heeled humans placing high hopes and a lot of money on their fourlegged friends. Olympic skier bode miller has his take on how to train these animals poised for greatness. But they all have to start somewhere. Heres abcs byron pitts. Reporter this is bluegrass country. Lexington, kentucky. Every year, buyers and sellers. Millionaires and billionaires, come here to a picturesque place for the largest thoroughbred auction on earth. Im shell shocked. This is 1,600,000. Reporter mandy just spent 1. 6 million on a horse thats never race eraced, never been r. Hes big, hes strong. Hes sensible. Reporter and expensive. Hes expensive. If you want to be at the top, thats what you do. And then you pray a lot. Reporter shes praying her new horse will win day win racings holy grail. The triple crown. She runs the business from her home in ocala, florida. Very sweet. Hes a good boy. Hopefully hell make it as a stallion and hes going to be worth 20 million, 30 million in a couple of years. Reporter make no mistake. This is not her first rodeo. Mandy paid a record 10 million for breeding mare two years ago. Theyre off in the Kentucky Derby reporter in the past nine years, graduates here have gone on to win half of all triple crown races. Se Animal Kingdom won the Kentucky Derby in 2011. Someones probably hoping to find a derby winner at least. Reporter its her job to sell horses for this farm, the largest consigner of horses this year. They are just trying to get their final looks in and decide which ones they want to bid on. Reporter occasionally allaire has her favorites. Just a neat horse. Put together very well. Got good natural bone and muscle substance. And a great brain. Reporter her client list, a global whos who of power and privilege. Their private planes line up while they shop. The excitement of a horse race is incredible. Reporter olympic skiing star bode miller is part of the new generation of investors. Horses that are under appreciated here, that can still race in the future, some of the horses that are going for over 1 million are never going to see the racetrack. Reporter long an advocate for innovation in his own sport, miller hopes to revolutionize the way horses are chosen and train trained. The technology thats available now, applying that to horse racing is a no brainer. But no one is doing it right now. Its an easy way for me to get involved. Reporter where are you from, sir . Japan. Reporter jab papan. How is it going so far . I cannot speak english. Reporter they are all fluent in horse. A language spoken in a whisper. People are very secretive around here. It takes a lot of work. Reporter horses are more than just a business. Its nice to see the way you smile when you talk about horses. This is in your blood. I havent injected myself with horse blood, but it is. Reporter william runs the farm with his son, bill. Hes been at this for 45 years. Someones going to spend 600,000, 700,000 on a horse thats never been ridden. Never been in a race. No clue how its going to do. Absolutely. Its absolutely insane. Reporter we were surprised to see Million Dollar decisions made more on gut instincts than science. They look at the legs and what else . The way is horse is built. The slope of the shoulder. Theyre all things that make the horse either sound or not. Reporter nationally, horse racing is a 10 billion a year industry. As an auctioneer, ryan may than is at the center of it all. Im not creating the music, but im kind of driving the engine. In the back, 250,000. Reporter you dont see people standing up and waving their arms. We just sold a horse for 450,000, it was just a wink. Reporter hes seen the hunt for glory give way to anguish. There is great heartache. There is these are fragile legs and bones. It crushes you when things go wrong. Reporter barbar os triple crown dreams were shattered when he broke his leg. He was eventually ewe thanized. But its that risk reward and the love of these magnificent animals which brings the faithful back year after year. And no one has more faith than fred mitchell. Get on up here. Thats my man, fred. Reporter fred is many things. Blue blood is not one of them. Hes the talk of the seaale, having sold a horse for 1. 2 million. His first Million Dollar baby. At my age, it means a lot. It will be handed down to our girls. Theyve got something to look forward to. Reporter his farm has been in family since 1764. That was one thing that was in my mind when i sold, a Million Dollars. How proud would my father have been of me . Reporter what did you do to celebrate . I went home and got on the tractor and mowed some paddocks. Reporter as far mandy, shes celebrating another way. Expensive glass of champagne. It is. You think theyll give me a bottle . Reporter shes raising a glass to her horses bright future. Cheers. Cheers to him. Come here. Reporter champagne dream even the horse can indulge. Thats all you can have. Not too sure you like it, though. Reporter for mandy and many here, its not just about the race or the possible riches, it is the romance. So good. Reporter for nightline such a good boy. Reporter im byron pitts in lexington, kentucky. Up next, our Michael Strahan helps salute our veterans. How these two american heroes survived hell together and what brought them back. Of warm nestle love thtoll house cookies . Taste well with new nestle toll house frozen cookie dough, you can bake as few or as many as you please. Whenever your sweet tooth comes calling, theyre frozen and ready to bake. Find them in the frozen aisle. Bake some love™. Hey john,whoa k it out. Yeah, i was testing to see if we really can turn any device in your house into a tv. And the tablet worked just fine. But i wanted to see if the phone would work as well. So i shrunk sharon. Every channel is live just like on tv. But its my phone. Its genius. Shh im watching tv. Tiny sharon is mean. Im right here. Watch any channel live on any device around your home. Download the xfinity tv app today. My whole life, i didnt have because it was too expensive. As a professional dancer, i tend to beat up my body a lot, and having Health Insurance is a priority for me. Its a relief to be able to keep the same doctor. I was born with a back condition that required surgery. Im paying a fraction of what i used to pay. Even with my back issues, im able to afford Health Insurance. Im in. Im in. Im in. For the first time ever. Over one Million People found Health Insurance through covered california. Join them starting november 15th. It means another neighbor is going to sleep better tonight. Because they went to sleep trains ticket to tempurpedic event. Choose from a huge selection of tempurpedic models, including the new tempurchoice, with headtotoe customization. Plus, get 36 months interestfree financing, two free pillows, and free sameday delivery. Are you next . Make sleep train your ticket to tempurpedic. Your ticket to a better nights sleep and finally, on this veterans day, we salute our american heroes. When the u. S. Army Master Sergeant youre about to meet was shot in afghanistan, it was a fellow sergeant that helped save his life. But thats just the beginning of a story you wont soon forget. Abcs Michael Strahan brings us inside their incredible bond. One look at mark and shawn, and youd never know what theyve been through. The elite green berets, protecting the most dangerous corners of the world. On may 31st, 2009, it was one mission that challenged their faith and sealed their bond. Where were you both on that day . We were in southeast afghanistan. We targeted a taliban commander. We knew he was there that day. We rolled out, we ran into a hornets nest, really. I round the corner, thats when se shawn kicked the door. Guy point blank took his ak, he shot right up shawn. Shawn, gravely wounded, visions of his wife and sons flashing before him. Im just thinking lord, let this be a dream. Just please, lord, let this be a dream. The vision of those boys and trying to fight back to get back home to them and to my wife, to my family. Bleeding out, shawn approaches his final breath. Thats when mark, a medic, takes charge. Diving through bull lets to treat shawns wounds, convincing a medevac pilot to defy his orders and land inside the fire fight. Marks obviously my hero of the day. As are a lot of the guys on the team. Reporter the mission over, shawns personal battle just beginning. Over 20 surgeries and five months. His room at walter reed medical center, the new fox hole. In our minds, we think were these big bad green berets, and to be to the point where i cant even sit up under my own power, that was a pretty humbling experience. Shawn finding his strength. His long road to recovery ending at a marathon yk i took the next nine months plus and went from kicking the walker away to dropping the cane and walking and jogging and then october 2010, i finished that marathon. I couldnt run a marathon, period. It wasnt just for me. These guys risked their lives, so, the best thing i can do is get back up on my feet and thats my thank you back to them. For nightline, im Michael Strahan in new york. Wow. Do you want to honor a vet . We want to hear from you. Leave your message of thanks on our Facebook Page and use honoravet. Thank you for watching abc news. Tune into Good Morning America tomorrow and as always, were online at abcnews. Com. Good night, america. 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