A giant grizzly bear is mauling your friend. Would you try to fight the bear to save them? That's what Kendall Cummings was forced to do when a 400 kg (900 lb) grizzly attacked his college wrestling teammate. Would you know what to do in his situation? Don't worry; we'll take you on a trip around the world to find out how to survive the deadliest bears on the planet.

00:00 The World's Deadliest Bears
00:54 #5 Polar Bears
01:42 #4 Grizzly Bears
02:42 #3 American Black Bears
03:22 #2 Brown Bears
04:10 #1 Sloth Bears

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Whether it’s an earthquake, mudslide or shark attack, survive whatever awaits you. How To Survive shows how to endure life-threatening moments with science and survivor stories.

Note: This video is not intended to be a substitute for professional advice, diagnosis, or treatment. Always seek the advice of your physician or another qualified health provider with any questions you may have regarding a medical condition. Never disregard professional medical advice or delay in seeking it because of something you have seen on this channel. If you think you may have an emergency, call your doctor, the ambulance or the police immediately. Underknown does not recommend or endorse any specific tests, physicians, products, procedures, opinions, or other information that may be mentioned in this video. Reliance on any information provided by Underknown is solely at your own risk.

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