Scary study by California's Office of Environmental Health Hazard Assessment. They found that
"....tiny particles, including those formed from gas- and diesel-fueled vehicles, biomass burning and other combustion sources, were strongly associated with death from heart disease caused by blocked arteries."
Evidently these particles are so small that they pass through our lungs and into our blood stream. The sum of their finding are:
- Ultrafine and “fine” particles (2.5 microns in size, or about one-thirtieth that of human hair) contributed to heart disease mortality.
- Certain constituents of ultrafine particles were strongly associated with death from heart attacks. These constituents included copper, iron, other metals, and elemental carbon (soot).
- For several constituents, the ultrafine particles were more strongly associated with death from heart attacks than those in the larger (but still tiny) fine particle size range.
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