http://www.hsinjurylaw.com/library/what-every-railroad-worker-should-know-about-diesel-fume-lung-disease-and-lung-cancer.cfm. Rick Shapiro, an experienced railroad worker injury/FELA lawyer, sat down with his law partner to talk about the connection between diesel exhaust fume exposure and higher risk of heart attacks. In general, diesel exhaust fume exposure is a health hazard. Studies have shown that exposure to these toxic fumes can lead to developing bladder cancer, lunger cancer, and now, apparently, heart attacks. To learn more, watch this video.