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After reading this article, I may have an answer for why a routine chest X ray indicated prominent scar tissue on my lungs even though I have never been a smoker during my 61 years. For the past 15 years, since a heart attack, I have jogged or ridden a bicycle for approximately an hour […]
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U.S. smog limit permits subtle lung damage
Ambient concentrations of smog ozone in many regions can cause lungs to leak, potentially compromising the health of even robust people.
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