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Peer reviewedJournal of College Science Teaching, 2005
A team of researchers who just finished analyzing 20 years of data from locales around Los Angeles said that particulate matter less than 2.5 micrometers in diameter poses the greatest risk of causing early death as it can penetrate deep into the lungs and sometimes even enter the bloodstream. Such particles are often found in smoke, vehicle…
Descriptors: Epidemiology, Pollution, Death, Diseases
