Polar bears heart health: How do fatty animals have low heart disease?
Why Don't Super-Fatty Polar Bears Have Heart Attacks? (Video) 
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May 13 2014 3:07 PM

The All-Blubber Diet

Why are polar bears healthy at 50 percent body fat?

Even though polar bears have blood cholesterol levels high enough to fell a human, they have a notably low incidence of heart disease.

Paca Thomas is a regular video contributor to Slate.

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