Dr. John Dement has the fix for lung problems on construction job sites. Construction workers breathing vapors, gases, dusts and fumes are at risk of COPD. Dr. Dement studied nearly 20,000 workers in construction. He found an 18 percent jump in lung problems. In this podcast, Dr. Dement tells host Dan Clark about the study, and how companies should use engineering controls to reduce vapors, gases, dusts and fumes (VGDF). Transcript:  https://www.thesafetybrief.com/construction-workers-wheezing-from-copd/