How easy is it to get frostbite? You may not know you even have it until it's pointed out

Frostbite can damage exposed skin in as little as 30 minutes and cause lifelong, permanent damage to your body. Here's how to ...
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What are the signs of frostbite?

MINNEAPOLIS — Whether you're walking to work or waiting for the bus, the cold weather can be pretty damaging if you don't know the signs of danger. Frostbite can set in quickly — within 30 minutes if ...