E-Cigarettes Cause Cancer in Mice. Health, Medicine, Nursing Essay

Please cover instructions partially-choose several questions
1) According to the article, what did researchers at NYU recently discover about the effect of e-cigarette vapor on mice?
2) What, according to the article, are some limitations of this study that was published? Where the researchers up-front about these limitations?
3) What, according to the article, are some reasons to be skeptical about the significance of the study's findings?
4) On balance, does the CNBC article appear to be biased either for or against the conclusions of this study?
Next read this article from the NYU School of Medicine, which was cited by the CNBC article: E-cigarette smoke caused lung cancer in mice. Then answer the following questions.
5) Does the lead researcher Moon-shong Tang conclude that e-cigarette smoke (ECS) poses an imminent danger to human beings, or that ECS is every bit as risky as tobacco smoke?
https://www(dot)cnbc(dot)com/2019/10/07/e-cigarettes-cause-lung-cancer-in-mice-finds-first-study-tying-vaping-to-cancer.html
6) In the CNBC article, Tony Abboud was quoted as saying that e-cigarettes are "at least 95% safer" than traditional cigarettes. In this article from the NYU School of Medicine, we get some insight as to how this claim was generated. What are the (2017) tests that led to this conclusion that e-cigarettes are "at least 95% safer" than traditional cigarettes?
7) What, according to Tang, is the main reason to be skeptical of this claim that e-cigarettes are "95% safer"? In other words, what is the flaw in the methodology of the (2017) studies that makes this percentage misleading?