Air pollution causes dangerous blood clots
It's the latest in a growing list of health problems linked to air pollution: dangerous blood clots triggered by smog from traffic and factories. If a deep vein thrombosis (DVT) breaks loose from where it forms in the lower leg or thigh and travels to the lungs, it can cause breathing problems and sometimes death. Andrea Baccarelli and colleagues at Harvard School of Public Health monitored the air quality in different parts of the Lombardy region of Italy.