New Study Suggests Link Between Statins and Reducing Alzheimer's

The "GMA" team of insiders analyze some of the biggest stories trending this morning.
5:20 | 12/13/16

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Transcript for New Study Suggests Link Between Statins and Reducing Alzheimer's
Welcome back. Time for our big board breaking down more of this morning's top stories. Gio Benitez is at the table. I thought we'd kick you out in the cold. Nice and warm in the studio. Important story you'll share. First another important story. Could there be a breakthrough in the fight against Alzheimer's? A new study suggests a link between the cholesterol fighting drug statins and a reduced risk in the disease. Dr. Jen Ashton joining us now with more on this. You have our attention, so many people take statins. There are about 5 million Americans right now living with Alzheimer's disease. About 34 million Americans take the statin drug to lower their cholesterol to protect their heart and this study found an association between those and with a lowered risk of Alzheimer's in some groups as much as 10%. This varied based on the dose, type and race, gender and ethnicity of those taking it and the theory involved cholesterol levels and evidence that that is linked to those plaques that form in the brain. Knowing this information now do you think we'll see a big uptick in the use of statins? Probably not yet. It's not quite ready for prime time and needs more research. You always need to consider risk versus benefit versus alternative and some cases, of course, cost and really you have to remember there are more things that affect the cholesterol level than just diet although that's very important and there are other things that cause Alzheimer's disease. We know there are other associated risk factors such as head trauma. Age, inflammation, some environmental factors, so this may be an important piece of the puzzle but it's still a piece. Not the whole pie. Very promising, though. Yes. All right. Jen. Absolutely. Thank you, doc. Now to an amazing story of survival. An 8-year-old boy coming to his mother's rescue after she fell into an ice covered pond outside of Chicago. The boy quick on his feet made this 911 call. Tell her that the police said she needs to come back to the shore. The police say you need to come back to the shore. You need to come back to the shore. Good job. Good job. Good job there, young man. It was her son who called in. Thankfully the rescuers got there in time and she's okay but, gio, if you find yourself walking along a -- and you fall into an icy pond what do you do? This will be a little bit of a live show and tell and enlisted the help of Kent vnuk at the sheriff's office and joining us from lake minnetonka in Minnesota where the temperature there is really, really quite low. He's going to help us illustrate how to survive and you heard that dispatcher say come back to the shore. That's what you want to do. You need to come back. It goes against your instinct, right? Isn't that right, lieutenant? Yeah, absolutely. What you want to do is go back to where you fell in. You know that ice was strong where you were just walking. That's right and once you actually get back to that ice, once you swim back to it you find that strong ice. You need to sort of pick yourself up and there is a way to Detroit. Called the elbow kick roll your way out. Can you tell us about that, lieutenant. Oh. Yeah, absolutely. As you notice you just fell in. What we want to do is go back to where he just fell in. What you need to do is get your body as far out of the water as you can and elbows on the ice and lay horizontal like doing the breaststroke and kick your feet as hard as you can like you're swimming at the same time pull yourself up on the ice and roll away from that hole. We want you to roll away from that hole where you get back on to safe ice. Okay, that's if you're by yourself. If you're with a friend. Right away you'll want to try to help but the first thing you got to do. Call 911. And once -- Like the boy did. Call 911 first then you can try to help and once you're there to help, you want to stay about 20 feet away from the hole. You want to try to use something to actually pull them out. Right, lieutenant? Yeah, absolutely. After you call 911, get anything you can get jumper cable, a rope, pole, branch, whatever it is but have about 20 feet in between you. Need to keep that in mind because your first instinct would be go right to the edge but that -- you can tell him he can come out of the water now. I think he's enjoying it too much. There we go. You don't want to go to the edge. Yeah. Oh, man. I see what you're saying there. Don't become a victim yourself. Those are jumper cables. You see that. Whatever means necessary. Whatever you have available. Jumper cables. Roll away like that. Very helpful because if there's an arctic blast out there right now and there are a lot of frozen water systems out. You get so scared when you're out there. I got to admit I thought you were going to be there. Huh-uh. But lieutenant is helping us out. He's nice and got those jacks on. Yeah. Get someplace warm and thank you, sir. Thank you for everyone for that very important demonstration for our viewers. We appreciate it, sir. Take care. You're welcome. Frozen. He did say something but we couldn't hear. Coming up, thank you, gio,

This transcript has been automatically generated and may not be 100% accurate.

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