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here is the senior medical correspondent, elizabeth cohen. >> he has a business finance test tomorrownd he's all ready. he has his book, notes and his bill, a prescription drug that was not prescribed to him, but prescribed to a friend and jared bought it for $5. it's a generic form of adderall. he doesn't have add but loves what it does to his report card. >> what is going on your head? >> listening to music, and on facebook. >> how does it change you? >> i am driven and don't focus on anything else. >> you are focused on anything else? >> it's going to get out and going to be good. >> he feels good all night and into the morning right up until he leaves for class. >> i feel prepared, and a lot of formulas and i crammed for it and will rock this test out. >> jared said a lot of friends take adderall like he does. a study said half of juniors and seniors use stimulants like adderall. it's popping up on mtv. >> i have been up on my reading web sites -- >> how much adderall have you had today? >> a lot. >> and doctors are worried. >> in the short term, those kind of stimulant medication

so in just about 20 minutes, senior medical correspondent elizabeth cohen is going to join us to talke vaccine and whether it really can cause side effects. >>> let's look at the markets, shall we? had a pretty brutal friday, and thint look so good yesterday. concerns about the greece default. the dow jones industrials up 52 points, good news after 45 minutes since the opening bell. we're watching the numbers for you. ♪ priceis it true thata-tor. name your own price.... >>...got even easier? affirmative. we'll show you other people's winning hotel bids. >>so i'll know how much to bid... ...and save up to 60% >>i'm in i know see winning hotel bids now at priceline. i tell you what i can spend. i do my best to make it work. i'm back on the road safely. and i saved you money on brakes. that's personal pricing. >>> alison kosik with the new york stock exchange. so far so good, at least we're in positive territory. >> reporter: it is. it is a nice change of pace. yeah, the dow up 43, the nasdaq better by 22. europe still front and center. that lingering question -- is greece going to defau

williams elizabeth cohen is in atlanta to explain to us what this is. good morning, elizabeth. syndrome is something a lot of people haven't heard of which in a way is strange because it affects 4 million americans. nine out ten of them are women. it is an autoimmune disorder. most. time it manifests itself in terms of having really dry eyes and dry mouth. i don't just mean like, you know, feeling a little bit dry. i mean it is really quite extreme. now fatigue and muscle pain, joint pain, something williams mentioned, that's a little bit less common. those two definitely are symptoms of the disease. now there is a really important distinction between two ditch kinds of the syndrome. i will tell you about both of them. we don't know what she says. one, it is secondary to something like lupus or other autoimmune diseases. you get this because you have lupus or something like that. other times you just get it in and of itself. we don't know which one she says. >> what's the treatment for this disease? >> unfortunately there's no way to get rid of it. once you have it, you have it

when we come back our senior medical correspondent elizabeth cohen will join us to speak about the hvpls to take in his state. [ artis brown ] america is facing some tough challenges right now. two of the most important are energy security and economic growth. north america actually has one of the largest oil reserves in the world. a large part of that is oil sands. this resource has the ability to create hundreds of thousands of jobs. at our kearl project in canada, we'll be able to produce these oil sands with the same emissions as many other oils and that's a huge breakthrough. that's good for our country's energy security and our economy. that's good for our country's energy security met an old man at the top asked him if he had a secret and the old man stopped and thought and said: free 'cause that's how it ought to be my brother credit 'cause you'll need a loan for one thing or another score 'cause they break it down to one simple number that you can use dot to take a break because the name is kinda long com in honor of the internet that it's on put it all together at the end of

>> elizabeth cohen, thank you very much.y's reporter roulette. >>> she was going to take her 4-year-old daughter to disneyland. there were some families that got no human remains back. >>> for the first time the feds revealing evidence from the world trade center site, haunting memories of what was left behind and what crews found will forever change the way the fbi operates. that's next. >>> a woman's wallet, cell phones, even page serious, letters from the hijackers themselves, the feds in washington's newsium releasing never before illustrate seen items. they have forever changed the way the fbi works. here is athena jones. a mother et cetera wale et and credit card, packed for a trip cut short, when united flight 175 struck the south tower. there were some families that got no human remains back, so it was important for them to get anything, whether a wedding ring or credit card, a wallet, a shoes. >> 60 artifacts make up the exhibit. items used as evidence in the fbi's investigation into the september 11th attacks, line

first of all elizabeth cohen, what is it?s about 4 million people, nine out of ten of them are women and you mentioned autoimmune disease. sometimes things get messed up and immune system gets messed up and we attack ourselves. it can affect people in a range of ways. some people go about their life and they run marathons, other people it's much more debilitating. >> she is what age, somewhere around 30. >> around there. >> still a young woman. is that the right age when this would show up? do you even know? >> it shows up when it shows up. it shows up in children, shows up in older people, around 40 is often when it shows up so she is not too far off that mark, so yes this would be sort of pretty much textbook. >> she's still playing, not in the prime of her career anymore but got tennis left in her. is this something that could affect her career? >> we asked sjogren's foundation, we have toplets but also the disease attacks your kidney's and lungs and internal organs and they aren't running marathons are so incredibly fatig

elizabeth cohen gives us the truth behind grand mall seize yurs and sunny hostin about why no one brought of discussion going on about the development of natural gas, whether it can be done safely and responsibly. at exxonmobil we know the answer is yes. when we design any well, the groundwater's protected by multiple layers of steel and cement. most wells are over a mile and a half deep so there's a tremendous amount of protective rock between the fracking operation and the groundwater. natural gas is critical to our future. at exxonmobil we recognize the challenges and how important it is to do this right. ♪ this ason, you needtruck le e silvera to take on that list oyours. t'chevy season of ding. and there isn a tt time for a truck, with chk rk after mark of pe doing per. ♪ go yor chevaler today. get the truck and g that list done ♪ >>> casey anthony's mother has a new excuse for her daughter. seizur seizures. a jury found her not guilty and a lot of people disagreed with that verdict. cindy went on the dr. phil show this week. claimed casey had grand mal seizures. >> i don't know why

senior medical correspondent elizabeth cohen caught up with some of them. >> reporter: it's a big dayol. >> what time do you think it is? >> lunch time. >> not lunch time. what do you think it is? >> ipad time! >> ipad time! >> reporter: today these kids are getting their own ipads. >> yep. thumbs on top. >> reporter: the auburn maine school district spent more than $200,000 to outfit everyone of its 250 kindergarteners with the tablets and a sturdy case to protect them. they pleefb they are the first public school district in the country to give every kindergartener and ipad. mrs. mccarthy says the ipads give her 19 students more immediate feedback and individual attention than she ever could. >> as much as you would love to as a person be able to get to everybody right away and individualize what they're doing, sometimes you can't. >> reporter: 40% of the third-grader here in auburn are not reading at grade level. super says the goal is to fix that. >> we put a stake in the ground that our kindergarten classes from here on out by the time they reach third grade and leave third grade

e-elizabeth cohen was there when the ipads arrived. >> good morning. >> good morning.istrict where nearly one out of 10 kids don't graduate from high school. so like you said, they really put their heads together and thought, what could help us out? here's what they came up with. it's a big day in mrs. mccarthy's kindergarten class at fairview school. >> what time do you think it is? >> lunchtime. >> not lunchtime. what do you think it is? >> ipad time. >> today, these kids are getting their own ipads. >> thumbs on top. >> the auburn, maine, school district spent more than $200,000 to outfit every one of its 250 kindergarteners with the tablets. and a sturdy case to protect them. they believe they're the first public school district in the country to give every kindergartener an ipad. mrs. mccarthy says the ipads give her 19 students more immediate feedback and individual attention than she ever could. >> as much as you would love to as a person be able to get to everybody right away and individualize what they are doing, sometimes you can't. >> 40% of the third grader

and we have elizabeth cohen about a new drug of choice on college campuses. students are apparently taking adderall for better grades. that story, next. -- captions by vitac -- www.vitac.com omnaris. omnaris, to the nose. did you know nasal symptoms like congestion can be caused by allergic inflammation? omnaris relieves your symptoms by fighting inflammation. side effects may include headache, nose bleed, and sore throat. got allergy symptoms out of my way. now life's a picnic. [ man ] omnaris. ask your doctor. battling nasal allergy symptoms? omnaris combats the cause. get omnaris for only $11 at omnaris.com. >>> hi, everybody. i'm alina cho. it's labor day, the unofficial end of summer and a traditional showcase for politicians. it's a busy day. today, the spotlight shines on presidential candidates. this hour rick perry will kick off a town for numb conway, south carolina. later, he'll be among the six republican candidates taking part this afternoon in the palmetto freedom forum, hosted by senator jim demint, a leader of a conservative movement that incl

. >> elizabeth cohen joins us.the parents think. >> some of the parents love the ipads and they think it's helped the children's math and writing. others say, wait a minute, $200,000 for ipads, fill s philosophical philosophically, shouldn't that be spent on it teachers? $200,000 would have are gotten some assistant teachers. >> are they at all concerned about what they might get into and look at on the ipads? >> they are strict and police that. they can't go on facebook and tweet. >> what about psychologists? what do they say about this i don't even know what psychologists think about adult usage of things like this. >> some are in disagreement. some say we shouldn't worry about this. others say, ipads are fast moving and constant stimulation. it makes it more difficult for kids to handle the rest of the world, which is kind of slow and boring. their brains are sponges and it kind of forms their brain to wanting everything to be fast, fast, fast. >> yeah. >> i can say -- i have a kirnd gart ner. when she gets on a

senior medical correspondent elizabeth cohen.uring the thing. nobody was going to be forced to have the vaccination? >> no, what perry did four years ago, he said we're going to mandate that girls get the vaccine to enter sixth grade, but fill out a form and your girl won't have to have the shot. it was a mandate with an occupa opt-opt. a mandate with an opt-out. >> let's talk in case -- an intelligence audience but not everybody's up to speed on the medical news. this vaccine is to prevent cervical cancer down the road for girls. >> right. >> and you get this virus through sexual intercourse. >> right. it's sexually transmitted. you don't get it by sneezing on someone -- >> it's a touchy subject. >> it is. and that's why years later we're talking about this. hpv played a starring role in the debate, i want to introduce, let's see what it looks like. there it is. that's a microscopic image of the human papillomavirus. sexually transmitted. there is a vaccine that girls can get or women can get, and it -- what it does is it will p

cnn senior medical correspondent elizabeth cohen with us now.f they do, do they need to be worried about them? >> unfortunately, the way it often works in this country is that you show up at the dentist and they say, okay, mrs. whitfield, it's time for your x-rays. you have to ask, really? are you sure? why am i getting them. because too often they're just one. they're often done once a year on someone who has a perfectly healthy mouth. >> unnecessarily? >> a lot of ten disses aentists saying for healthy people, maybe they only have to two it every two or three years. because it is radiation. on one hand x-rays are good, you see stuff you can't with the naked eye. on the other hand do you really need to be radiating someone once a year who has an otherwise healthy mouth. >> what do you say? >> they're looking for decay on several things but one of the biggies is decay on surfaces of the teeth that they can't see with the naked eye. i asked some dentists who study this. they say, well, you can see that, but on the other hand you can also see that

. >> here to help us better understand this disease is cnn senior medical correspondent, elizabeth cohens a while to diagnose this. >> let's here what she had to say about that, because it was interesting about how long it took to get this diagnosed. let's take a listen. i am understanding we don't have it now. what she said it takes an average of six years for doctors to make this diagnosis, that for six years a patient will be walking around and going to doctors and won't get the diagnosis. when i show you the symptoms, ran randi, i think you will see why. dry mouth and dry eyes. some patients will have joint pain and fatigue. when you look at these things, this is stuff that a lot of people experience. so it's hard to pin it down to one illness. upset stomach and dry skin. >> that's a way a lot of people feel at times. >> yeah, it could be hard to nail it down. this is why if you feel like this has been going on with you, and she said i hope people learn from this. if you feel like you are having the symptoms, you have to be an empowered patient, and we have all the information about

a virus acquired through sexual intercourse and elizabeth cohen is here.a lot of traction after the debate last night. explain to me first, the idea and idea of vaccinating girls against it. >> hpv is what causes most cases of cervical cancer. so, the idea is let's vaccinate against it. you're not going to get rid of all cases of cervical cancer, but you will get rid of many of them. you've got to vaccinate a girl before she has sex. a lot of public health types said, hey, age 11. others said, why would i be vaccinating my kids against a disease when they're not having sex. >> so, in the debate, it sort of began with rick perry then michele bachmann jumped in and went after perry on the order. listen to her response. >> to have innocent little 12-year-old girls be forced to have a government injection through an executive order is just flat out wrong. that should never be done. that's a violation of a liberty interest. that's -- little girls who have a negative reaction to this potential dangerous drug don't get a mulligan. they don't get a doover. the par

elizabeth cohen reports. >> reporter: jerry didn't have add but does take adderall, a prescription drug. so what is going on in your head without adderall? >> on youtube, facebook, and -- >> how does it change you? >> driven. focused on nothing else. it will be out and will be good. >> reporter: jared is feeling good as he studies all night and into the morning right up until he leaves for class. >> i feel very prepared. i have a lot of formulas memorized and a lot of stuff that i crammed for, and i think that i am going to rock this test out. >> reporter: jared says lots of his friends take adderall like he did. a study at the university of kentucky say half of seniors use stimulants, and it's popping up on mtv. >> i have been up all night reading. >> how much adderall you have had today? a lot. doesn't matter. >> reporter: this has the doctors worried. >> the short term, those kind of stimulant medications feel good, and the in the long run, there are significant problems, both in terms of thinking and mood problems. >> adderall can be addictive, and cause seizures and aggressive beha