Self-taught venom expert Tim Friede has voluntarily injected himself with snake venom 856 times across 18 years. Now, in spite of the odds, Friede's extremely dangerous hobby has led scientists to ...

Immunologist Jacob Glanville came across media reports in 2017 of a man who had injected himself hundreds of times with the venom of some of the world’s deadliest snakes, including cobras, mambas and ...

For more than a decade, Tim Friede collected dangerous snakes at his home in Richfield, Wis., milking their venom and injecting himself with the toxins. The goal? To immunize himself against the world ...