You're not a polar bear: Any plunge into cold water comes with risks

Jumping into icy cold water in the dead of winter might seem like a crazy idea, but the so-called polar bear plunge has become a popular activity, often paired with raising money for charity.

Watch: Illinois zoo polar bear enjoys snow day in adorable video, Trending

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Everything You Need To Know About Cold Plunges

Polar bear: a powerful predator on ice

PHOTO GALLERY: Polar Bear Plunge takes participants' breath away, News

Health experts advise caution before taking part in a polar plunge

Melting Arctic ice is forcing polar bears to swim for more than a week without rest - The Washington Post

Too Cold” For a Polar Plunge? Is That A Thing?

Polar bears 'have started eating dolphins due to climate change