air & running

 One of the most counterintuitive things that comes to mind as a hypothesis is that in global cities, people who walk or run for a long time almost every day are breathing perhaps more m3 of polluted air each year compared to sedentary people.

I am not saying not to exercise but rather try to do it in cleaner environments and take note of this information to avoid additional contaminants that could increase the risk of occurrence of oxidative stress caused by free radicals produced by pollutans and harmful molecules for the cell in any type of biological tissue and in this case we speak of human beings. pass it on!