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Solvecasters  3 years ago

And so people don't really know the impact of in particular fine grain particles PM 2.5 microns. They're small enough when people inhale them, they bypass the lungs defense systems and go directly into the bloodstream and where they can settle out in different tissue. And wreak havoc over the course of a lifetime, which is why we have some unfortunate cancer statistics around Pittsburgh. http://www.solvecast.com/articles/detail/15273-civilian-scientists-air-quality-tech-innovation-with-matt-mehalik #50 #air-pollution