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As cigarette smoke contains superoxide and reactive nitrogen species that readily react with various biomolecules, it has been hypothesized that some of the adverse effects of smoking may result from the oxidative damage to the endothelial cells, which results in nitric oxide deficiency

Executive summary Tobacco use is now a well-documented threat to global health

DNA methylation and pulmonary vascular endothelial cell apoptosis DNA methylation is the most typical type of chromatin modification

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Try to understand their perspective before sharing yours

I play a game with myself and Ill leap into the futureI know you can get with thisand Ill go, Okay, well picture yourself at 70, looking back at where you are now