How heavy can a human get? When the heaviest man in the world was just 12 years old, he already weighed 294 pounds. By the time he turned 22, he weighed 500 pounds! It took over 12 people and a custom stretcher to move him. And he's not the only unique person: let's look at the guy who had hiccups for 68 years, slept for 11 days straight, or was taller than the tallest NBA player in history.

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