Study: ‘No Statistical Correlation’ Between Fine Airborne Particles, Premature Death

There’s no evidence to support the Environmental Protection Agency’s (EPA) longstanding claim that fine airborne particulate matter measuring 2.5 micrograms or less (PM2.5) is killing thousands of Americans every year, according to the first comprehensive study of its kind.

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5 thoughts on “Study: ‘No Statistical Correlation’ Between Fine Airborne Particles, Premature Death”

  1. I think 2.5 refers to microns, not micrograms. A micron or micrometer is 1/1000 of a millimeter, or about 40 microinches. 2.5 would be about 1/10 0f a mil (1/1000 inch).
    A liberal psysiologist (is there any other kind?) insisted this was well established science at least a dozen years ago and there was evidence that even smaller particles were dangerous. Peer reviewed, he claimed.

  2. The smaller the diameter the deeper the particles can penetrate into the lungs because the body doesn’t filter them efficiently. That part of the science seems to be pretty good. What happens after that is, as Steve has shown, not much more than conjecture.

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