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This may contribute the COPD pathology, inducing apoptosis, tissue damage as well as airway inflammation, since airway epithelial cells respond to increased ROS levels by producing cytokines/chemokines that attract inflammatory cells to the area of damage [5, 6, 21, 23, 24]

Because e-cigarettes do not burn tobacco, they do not produce the tar and combustion by-products responsible for the persistent smell of cigarettes, and because they do not burn tobacco smoke, they avoid many of the sticky residues that worsen indoor air quality

Although western scholars have argued for years about the specific ingredients in Soma, recently some scholars have made a convincing argument that the basic ingredient in Soma was cannabis

This combination intensified nicotines hold on the brain, making cigarettes even more difficult to quit

School health services may also need to be involved