No idea, but the best way to avoid it is to drink plenty of water so that the kidneys can flush their calcium buildup.
Years of drinking soda, coffee, energy drinks, alcohol. Basically not drinking enough h2O. I'm sure messi's case is probably different since he is so young and an athlete.
Colombia's Víctor Aristizábal scores an amazing scorpion kick against Chile, 1993.pic.twitter.com/WOiHADPuAy— 90s Football (@90sfootball) February 1, 2016
Last I heard he was playing for an arena soccer league team, I think in Laredo or something like that lol
Legend GOOOAAAL! Bofo gets taken down in the box but somehow manages to get a foot on the ball and it megs the keeper. pic.twitter.com/z6yK8E5DGd— Chicago Mustangs (@MustangsSoccer) February 6, 2016