Page 15 - Eric Sweeney News Today : Breaking News, Live Updates & Top Stories | Vimarsana

>> 13-year-old eric sweeney is describing a concussion he suffered a few weeks ago. >> didn't hurt or anything, it just shocked -- like, it felt all fuzzy in the back of my head. >> reporter: on his team sideline, no one saw the play. and despite that fuzzy feeling, eric was raring to go. >> he came out after that play. and he was ready to go back in. >> but he was stopped short, by this. it is supposed to flash yellow after a moderate inmpact to the head and red after a severe one. when eric came off the field, his light was flashing yellow. >> then he began to get the headache. then it becam...

This does not trigger one of those. >> that impact, 130 gs, is like running full speed into a brick wall. one device did trigger. the other did not. >> that's ready. >> at an even higher drop, one product flashes green. the other red. so this really kind of underscores what we need to do testing and we need to understand what we're measuring, when at the trigger, when they don't so parents can have a better understanding what information they're getting back. >> a frequent disclaimer on the products, they do not diagnose concussion. but concussion experts say the devices themselves still need ...

0 him in time. >> as if they don't risk their lives enough. unbelievable! we'll see you back here at the top of the hour. >> and we look forward to it. but first, "sanjay gupta md" starts right now. hey, there! time in london on assignment and there's a pharmaceutical company here i'll tell you who is trying to turn secretly grown marijuana, weed, into a serious medicine. i'm going to tell you about medical marijuana here in the united kingdom. also, new guidelines are out on drugs to lower your cholesterol. you have to listen to this. a lot more people will be prescribed these medications, ...

>> so try that on. >> they're marketed as being able to measure whether a hit is too hard. and as in eric sweeney's case, an extra set of eyes on the field. but how well do they really work? that is what scientists at this lab are trying to figure out. >> everything is green and that's what we would expect. >> a low level impact, and all the products tested have green lights. but when the helmet drops from higher up -- >> this is probably going to be over 100 gs. big hit. three, two, one. that is surprising. so nothing went off there. >> that's well into the range of concussion. you have defin...

We just both hit the ground. >> 13-year-old eric sweeney is describing a concussion he suffered a few weeks ago. >> it didn't hurt or anything, it just felt fuzzy on the back of my head. >> on the team's sideline, no one saw the play. and despite that fuzzy feeling, eric was willing to go. >> he came out after that play, but he was ready to go back in. >> but he was stopped short. it's a sensor worn under the helmet. it flashes red if a severe hit. >> he sat out one play and began to get dizzy, then the headache. then it became evident something was not right. >> fortunately the impact indicat...