Exposure to air pollutant sulfur dioxide tied to greater ALS risk
Long-term exposure to sulfur dioxide (SO2), a gaseous air pollutant generated by the burning of fossil fuels, significantly increases the risk of developing amyotrophic lateral sclerosis (ALS), according to a study in Canada. Exposure to other forms of air pollution, including nitrogen dioxide (NO2), ground-level ozone (O3), and PM2.5…