We all know – or, at least, should know – about construction’s Fatal Four Hazards: Falls, Struck-by, Caught-in or Between, and Electrical.  Those hazards get most of the attention in most safety training courses in construction and rightfully so, they contribute to a large majority of all deaths on the jobsite.  A recent study, however, highlights the need to take certain health hazards more seriously, due to their long term effects.