5 unbelievable feats of superhuman endurance

The human body is surprisingly fragile, but there are those who enjoy pushing itto thelimits.From these daredevils, we learnhow the body can miraculously compensate for starvationor oxygen deprivation to stay alive for as long as possible.Here arefive incredible feats of superhuman endurance:SEE ALSO:A popular way of cooking broccoli is leeching potentially cancer-fighting compounds from itDON'T MISS:NASA just released a jaw-dropping 360-degree photo that makes you feel like you're on MarsWithout sleep: 11 days.In 1965, then 17-year-old Randy Gardner set the world record by staying awake for 264.4 hours, or 11 days and 24 minutes.Why you shouldn't try this at home: Sleep is essential for building memory and skills as well as feeling more alert the next day.Without breathing: 22 minutes.The longest any human ever went without breathing took place in 2012, when Danish free diver Stig Severinsen held his breath underwater for 22 minutes.Why you shouldn't try this at home: Without oxygen, the human brain will die after about four minutes. Severinsen cheated death by breathing in pure oxygen for about 19 minutes beforehand, which saturated his body so it could continue to keep his brain functioning while he was underwater.Without food and water: 18 days.In 1979, Andreas Mihaveczthen 18was left, forgotten, in a basement prison cell until he was accidentally discovered 18 days later. This was not a stunt, but an act of negligence on the authorities' part. It took Mihavecz several weeks to recover.Why you shouldn't try this at home: Of the two, water is more critical to replenish than food. An adult is made up of about 60% water, using it to lubricate joints, flush waste, and regulate body temperature.See the rest of the story at Business Insider
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