Finding that unfiltered air from rush hour traffic can significantly increase passengers’ blood pressure while in the car and for up to 24 hours later. “The body has a complex set of systems to try to keep blood pressure to your brain the same all the time. According to the researchers, breathing in the unfiltered air resulted in a net blood increase of more than 4.50 mm HG when compared to the filtered air drives. Traffic-related air pollution is the main cause of air quality variation from community to community in most metropolitan areas. “So, the hint is that ultrafines may be especially important [for blood pressure].

Source: The Guardian January 05, 2024 22:24 UTC