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The Ice Bucket Challenge Lowers Your Heart Rate

Tom Scott 2:16

197,965 views · 5,075 likes Watch on YouTube ↗

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The mammalian diving reflex is a quirk of evolution that means a shock of ice water does the unexpected: it lowers your heart rate. I demonstrate using not a bucket, but a bathtub.

This was probably a bad idea.

Category (YouTube): Education

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