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R., Yan, X., Watson, C

It can take up to 60 years for symptoms of mesothelioma to become apparent, and many of these former workers and smokers are now in their late 70s or 80s

The mRNA and protein levels of both mtTFA and cytochrome c oxidase subunit II (COX II) were significantly decreased, but the group of mice treated with 5-aza-2-deoxycytidine (AZA, a DNA methyltransferase inhibitor) had restoration of the above changes which suggesting that the removal of DNA methylation by AZA can protect against CSE-induced cell apoptosis

You still get small amounts of nicotine, without the harmful toxins and chemicals you get from smoking tobacco