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By contrast, some of the more recently published (e.g., since 2016) cohort studies and nationally representative cross-sectional studies have included one key variable, the frequency of e-cigarette use

One of the best ways to prevent cancer is to never start smoking and quit as soon as possible. Cigars sold in the United States come in three varieties: large cigars, cigarillos and little cigars

Given the involvement of differential mtDNA methylation in various diseases and the critical involvement of mitochondrial dysfunction in COPD [30], the aim of the current study was to investigate in airway epithelial cells, whether the CSE-induced dysfunction in mitochondria and changes in mitochondrial gene expression are related to changes in mtDNA methylation

Smoke and vapor can irritate the eye surface and disrupt the tear film, which leads to faster moisture evaporation and visible redness