It sounds like the origin story of a superhero, but there's nothing fictional about what Tim Friede's accomplished.  Since 2001, the 57-year-old Wisconsin man has let himself be bitten by venomous snakes some 200 times, inuring his immune system to the serpents' deadly toxins.  Cobras, black mambas, you name it: Friede has weathered them all. That's on top of injecting himself with over 650 doses of increasingly potent amounts of venom. "They want to kill me," Friede told NPR. "I want to survive." And in building such a remarkable tolerance, Friede's badass quest may help save other people's lives, too. […]

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Link :
https://futurism.com/neoscope/man-bit-by-snakes-antivenom