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It’s time to talk about what we know—and what we *don’t* know—about that mysterious lung illness linked to vaping. #SciFriLive scifri.me/i62

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An article“Harmful Chemicals in Electronic Cigarettes”lists 42 chemicals in electronic cigarettes [gaspforair.org].Research sources listed. SCIENCE NEWS “Health Risks of E-cigarettes Emerge”, 2014.This is not new! I am angry about 2nd hand vapor!

Charles A. Gardner, PhD

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I know right? Very low levels of 42 chemicals versus very high levels of 9,000 chemicals including 80 carcinogens in cigarette smoke... Wait, what? Second hand smoke are a relatively low risk (RR 1.3). Second hand vapor risks are zero.

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Thanks but do you have refs? And what's RR 1.3?

9:30 PM · Sep 3, 2019Twitter for Android

Charles A. Gardner, PhD

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Risk ratio (RR) of 1.3 means risk is elevated 30% (usually w/large margin of error). Odd Ratio is a similar measure. Google Scholar search for second hand smoke risk ratio. Here are 1st 3 that come up.... ncbi.nlm.nih.gov/pmc/articles/P ajph.aphapublications.org/doi/pdfplus/10 onlinelibrary.wiley.com/doi/full/10.10

ncbi.nlm.nih.gov

Second hand smoke, age of exposure and lung cancer risk

Exposure to second hand smoke (SHS) has been identified as a risk factor for lung cancer for three decades. It is also known that the lung continues to grow from birth to adulthood, when lung growth...

Charles A. Gardner, PhD

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Never-smokers' risk of lung cancer is about one in 1,000. If you live with a smoker and are, thus, exposed to 2nd hand smoke, your risk will be 1.3 in 1,000. This is THE risk that justifies designated smoking zones & no smoking in public places. cancer.org/latest-news/wh