smokeless tobacco heartburn Does Smoking Make Worse? Chewing tobacco leads to serious

Because cigar smoke contains both visible particles and invisible gases, removing the haze does not always eliminate the odor

The mixture of carcinogens in tobacco smoke causes DNA damage and mutations, promoting tumor development in multiple organs, including the lungs, bladder, and oral cavity

To gather relevant publications, we searched several databases such as PubMed, EBSCO, Cochrane, and Science Direct, using specific MESH terms and keywords such as cigarette smoking, air pollution, particulate matter, gaseous air pollutants, cardiovascular diseases, and hypertension. To ensure the quality of the studies, we applied PECOS criteria that focused on the population (i.e., adults chronically exposed to outdoor air pollutants), comparator (unexposed persons), result (all-cause mortality and cardiovascular diseases), and study design (experimental and epidemiological studies, intervention studies, meta-analyses, and systematic reviews published in peer-reviewed journals in English)

Nonparametric Fast Fourier Transform method was used to determine powers of low-frequency (LF) domain, high-frequency (HF) domain and the LF:HF ratio

The vaping regime was elaborated based on the available literature 19,20,21,22,23

Saliva is crucial for neutralizing acids and washing away food particles