Exposure to air pollutants arising from coal burning vehicle exhaust airborne dust and dirt can increase the risk of developing high blood pressure warns a new study. High blood pressure can be defined as systolic blood pressure more than 140 mm Hg and/or diastolic blood pressure over 90 mm Hg or by anti-hypertensive drug use. The findings showed that both short and long-term exposure to airborne pollutants such as sulfur dioxide (SO2) -- from the burning of fossil fuel -- nitrogen oxide (NOx) -- from power plants and vehicle exhaust -- as well as particulate matter (PM) -- particles found
