Dr. Richard Besser on How to Avoid Getting Cold in Freezing Temperatures

Frostbite is a serious health concern in cold weather, and what to do if you get it.
3:00 | 01/03/14

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Transcript for Dr. Richard Besser on How to Avoid Getting Cold in Freezing Temperatures
us straight to abc's chief medical editor dr. Richard besser, wants to talk more about these dangers, specifically what you do. It's very concerning. You know, if you look this weekend, green bay, wisconsin, the packers will play in their game, if you factor in the wind, it's going to get down to 40 degrees below zero. That's a remarkable temperature. Very dangerous. I went outside this afternoon, with a thermal camera, you can see in red here, everywhere that the heat is getting out. And these are pictures of me, without my hat, my gloves, my jacket open for a period of four minutes, see the red, that's heat escaping if you're not completely bundled up, the wind pulls the heat away. That's a road to hypothermia. Now, this is what you see, when frostbite sits in. And it's frightening. You take off your glove over the course of one minute, the heat in red has left the fingers, and it's soon to be frostbite. So any part of you exposed even your chest in a sweater can lose heat so rapidly. You're losing it from everywhere. If you think you have frostbite, what do you do? You don't put your hand in warm hot water? Hot water can be dangerous, your hand is numb you can get a burn. You want lukewarm water. You don't want to rub your hands together. That can cause more damage. Just let them gradually warm up. But the key is prevention, bundle up so you don't get this in the first place. Seal yourself off. That's the way to go. Thank you, rich.

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

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