Kenneth "Ken" Kamler, M.D., is an orthopedic microsurgeon trained at Columbia-Presbyterian Medical Center, who practices surgery of the hand in New York and extreme medicine in some of the most remote regions on Earth... (wikipedia)
When I went to Amazonia, l went as the field doctor for biologists studying crocodile behavior. There's no way humans should have any encounters with crocodiles. You should stay away from them!
Even as a kid in the Bronx, I wanted an adventurous life.
Every time I've been on Everest, people have died, though not in any expedition I was part of.
The basic thing with adventure medicine or extreme medicine is that you are going to places where humans don't belong and people will certainly get into trouble.