“Clyster, bleed, purge, repeat” could be a motto for many doctors throughout the ages who believed that bad blood, humor imbalance, or miasma were causing all illnesses known to humanity. Such treatments were used as universal cure-alls since the ancient times up to the late nineteenth century. 💀😱
Bloodletting used to be one of the most popular medical practices, as it was supposed to bring the balance between the four humors inside the human body and thus treat all ailments, from rashes to tuberculosis. Check out this SciShow video to see what role leeches played in the whole process.