Marisol Outside News Today : Breaking News, Live Updates & Top Stories | Vimarsana

>> this tragedy probably wouldn't have occurred. >> how it could have been prevented and could still happen again. battery-powered brain. it can change people's minds. >> it felt fantastic. i didn't care what was doing it. >> is it a cure for depression? revealing investigation. stories with impact. this is cnn presents with tonight's host drew griffin. >> but they found out their school had a problem and not the teachers or the test scores or even the other kids. the problem is the building. it's toxic. that's right. it wasn't safe for the children. d ps-5 is isn't alone. as part of...

but they found out the school had a problem. it's not the teachers or the test scores or everyone the other kids. the problem is the building. it's toxic. that's right. it wasn't safe for the children. and ps-51 isn't alone. as part of dr. sanjay gupta's on going investigation, we found out all over the country, children are going to schools that can make them sick. his first stop was ps-51. >> yeah, i need your lunch bag. >> okay. >> marisol carera is helping her son, brandon, get ready for the first day of school. brandon seems excited. but marisol, she seems nervous. >> i always ...

>> this is cnn presents. >> tonight, we focus on stories related to your health department. tlets to the health of you and your family. it's a revolutionary treatment for depression that you're going to want to begin to know about. begin with an investigation into how school can make your child sick. the parents thought they hit the jackpot. their children won the lottery to get a coveted spot in one of new york's best public elementary schools. but they found out the school had a problem. it's not the teachers or the test scores or everyone the other kids. the problem is the buildin...

repeated blows to the head, the kind that you get on a football field can have lasting reprecussions. especially for young people. some states are writing new laws. in fact, one just took effect this month here in california. any player on a high school or middle school team who gets a concussion must be cleared by a trainer or doctor before going back on the field. even then, though, the risk is hard to gauge. you can't really see damage to the brain unless you actually look inside. of course, by then it's too late. >> reporter: football is a violent game, full of big hits. what are...

at for more than a year now. growing evidence repeated blows to the head, the kind you get on the football field can have lasting rep recushions. a law take effect in california. a player who gets a concussion must be cleared by a trainer or doctor before going back on the field. the risk is hard to gauge. you can't see damage to the brain unless you actually look inside. of course by then, it's too late. football is a violent game, full of big hits. what are all those collisions doing to the brain inside the helmets? i met with kevin, he's a researcher from the university of north c...