Discover 50 Super Weird Historical Facts 2 years ago Prev Article Next Article Prev8 of 51NextUse your ← → (arrow) keys to browse Fact 8: In the 19th century, doctors used electrotherapy to treat various ailments. They believed that electric shocks could cure everything from impotence to insanity. Prev8 of 51NextUse your ← → (arrow) keys to browse Facebook Prev Article Next Article