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The Craziest Medical Practices Doctors Thought Made Sense

Updated 11 Sep 2019 73.7k votes 10.1k voters 506.5k views24 items

Modern medicine has seen more development in the past fifty years than in all of human history combined. Many long practiced medical treatments now seem completely insane in retrospect - things like putting animal dung on a wound, drinking urine, carving holes in your skull, or drinking potions made of morphine or mercury. What are the craziest medical practices from all of human history? What was once used as medicine but was later found to be, well, actually super dangerous?

There were lots of weird things used as medicine before the advent of modern science. However, some of these practices continue in one form or another - no matter how crazy they are, if something works, doctors are going to keep doing it.

Here are some of the dangerous medical practices from yonder days, a few of which survive in some form, and some others which almost certainly killed those who partook in them. Upvote the medical treatments that you think are the most nuts and are glad that went by the wayside, thanks to scientific advancements and modern medicine.
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