Dr. Howard Smith Oncall

Vidcast:  https://www.instagram.com/p/DSBN4G3jV3O/Exercising is the best thing you can do to maintain health. Breathing polluted air while doing so cuts exercise’s benefits by more than half.  Chinese and British sports and behavioral science researchers performed a meta-analysis of data from nearly 2.4 million subjects followed for 10 years and published their results in SpringerNatureLink. While regular physical activity reduced the risk of death from any cause by 30%, performing that exercise breathing air with excess particulate matter, a PM2.5 of 25 micrograms/liter or higher, cut the death risk reduction down to between 12 and 15%.  At even higher pollution levels, 35 micrograms/liter, the exercise benefits diminished toward extinction.You might think that these pollution levels are excessive.  They are not since other studies reveal that 92% the world’s population breathes polluted air.The bottom line: exercise outdoors away from highways and busy roads. My other suggestion you will hate, and that is t