This was from the BMJ Christmas issue - every year they publish a 2-week special full of nonsense like this. As it happens, 4 of the papers in BMJ Christmas Iss

This was from the BMJ Christmas issue - every year they publish a 2-week special full of nonsense like this. As it happens, 4 of the papers in BMJ Christmas Issues have gone on to win Ig Nobels: http://www.bmj.com/content/355/bmj.i6679 http://www.bmj.com/content/355/bmj.i6679 - Effect of ale, garlic, and soured cream on the appetite of leeches (winner 1994) - Magnetic resonance imaging of male and female genitals during coitus and female sexual arousal (1999) - Sword swallowing and its side effects (2006) - Pain over speed bumps in diagnosis of acute appendicitis (2012)