which is more harmful smoking cigarettes or weed Tobacco can be bad for your health even if you are not the one smoking. Breathing in the smoke can lead to many health problems. Vaping also bad for you. E-cigarettes Vaping | Pros, Cons, Debate,
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For the first study, researchers evaluated 476 healthy adults who took no daily heart medications to see how smoking might affect their cholesterol levels

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PMID 27077359
[DOI] [PMC free article] [PubMed] [Google Scholar] 8.Skladanowski MA

Retrieved April 3, 2018

[12] There is a popular belief that American and British scientists first discovered the health harms of tobacco in the 1950s
