I wonder if they were smoking it for fun or to artificially increase their appetite. I'll assume the former.
Good thing to know Japan has their priorities in order:
"In 2000, Japanese wrestler Toki hit and killed a pedestrian while driving in Osaka. He was suspended for only one tournament."
From: http://www.iht.com/articles/ap/2008/09/02/sports/AS-SUM-Wres...