What is a Cast-Iron Stomach?

Some people can eat nearly anything (or actually anything) without becoming ill. One man's digestion was so severe that he would eat four times the average person and lose weight. Also, another person could take punishing blows to the abdomen, some people swallow all sorts of foreign objects for entertainment, and of course, competitive eating. Stories of the unique and often sad. Recommendations- Abraham: Sesame Seed Bagels - Shane: Big Fish (Book): http://danielwallace.org/big-fish-book-daniel-wallace/ Links and References- https://www.youtube.com/watch?v=D9DZmoRY0H4- https://historycollection.com/this-18th-century-man-literally-ate-everything-which-led-to-one-of-the-most-disturbing-medical-cases-in-history/3/- https://www.sciencefocus.com/the-human-body/why-do-only-some-people-have-cast-iron-stomachs/- https://www.wltx.com/article/news/how-competitive-eaters-do-it-and-what-it-does-to-them/101-570676293Become a supporter of this podcast: https://www.spreaker.com/podcast/why-we-do-what-we-do--3419521/support.