WATCH: 31 strange medical conditions
More from Mental Floss...
33 fascinating stories behind famous songs
The strange origins of 32 superstitions
38 sweet facts about candy
10 words we've forgotten how to pronounce
The roots of America's opiate epidemic
The astonishing weakness of Hillary Clinton
One Russian senator wants to ban gay-friendly emoji
The U.S. and Egypt held strategic talks for the first time in 6 years
Zimbabwe conservationist group apologizes for false report of Jericho the Lion's death
Editor's letter: Education's fourth "R"