why we get hernias, hiccups, and hemorrhoids

This article, adapted from the book Your Inner Fish and posted on The University of Chicago’s web site, explains the evolutionary origins of varicose veins, hemorrhoids, hiccups, snoring, and hernias. They’re symptoms of some inconvenient consequences of the structures and processes we’ve inherited from our evolutionary ancestors.

What really captured my interest is that we can blame fish and tadpoles for hiccups.

Fish out of water