What Is Secondhand Smoke and Its Effects of Secondhand Smoke
What is secondhand smoke? Many people are no-smokers, but they inhale secondhand smoke, which is harmful to their health. When smokers exhale, or the tobacco burns, secondhand smoke occurs. It is a byproduct of burning cigarette, pipe smoking or cigar. It is composed of 2 types of smoke: sidestream smoke and mainstream smoke. The former is …
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