health risks of chewing tobacco How tobacco* impacts your Health effects of using snuffs

This study used survey data from the largest representative sample of e-cig users among the US population to show that that e-cig use is not only associated with a higher smoking cessation rate at the individual user level but also at the population level

Even air quality may affect the pitch and sound

Panagis Galiatsatos, MD, MHS, assistant professor, division of pulmonary and critical care medicine, Johns Hopkins University School of Medicine, Baltimore, and national spokesman, American Lung Association, Chicago

Nonetheless, the study employed a nationwide multistage stratified sampling design, enhancing representativeness and enabling nationally generalizable estimates for the adult Malaysian population