TIL until the 20th century, Egyptians believed that men menstruated. This was because of Schistosomiasis, an extremely common disease that causes bloody urine.

http://en.wikipedia.org/wiki/Schistosomiasis



Submitted February 13, 2015 at 01:46AM by AirborneRodent http://www.reddit.com/r/todayilearned/comments/2vopsh/til_until_the_20th_century_egyptians_believed/