Smoke travels upwards, and if smokers are confined to the top level and adequate ventilation is in place (be it an open window or a smallfan), then there can be no cause for concern to those non-smokers who sit downstairs.
Yet the 27-year-old Berto still struggles with a smallfan base thanks to a number of fights against less than overwhelming opponents, and an inactive period from May 2009 to April 2010 spurred by the tragedy of losing some family members in Haiti earthquake.