Social networks have become in recent years the main loudspeaker of health hoaxes. Anyone with a Twitter, Facebook, or Instagram account can pitch a piece of purported information and, given the right combination of factors, make it go viral. In the agora of the internet and social networks, debates are not fought in the field of scientific knowledge but rather in emotions. The one who convinces the most is often not the one who is most right, but the one who manages to best communicate his message.