surfactant a lipoprotein that lowers the surface tension in the alveoli, reduces the amount of pressure needed to inflate the alveoli, and decreases the tendency of the alveoli to collapse
Smoking cessation increased Bacteroidetes, decreased Firmicutes , and modestly raised -diversity, which was inversely associated with heart rate, systolic blood pressure, and CRP
Another negative effect of smoking on your teeth is heavy tobacco staining, causing the teeth to take on a brownish or dark yellow appearance
Tommy: Kids are always a little ahead of the arc
With the trademarks formally secured, the company wasted no time to take on the largest overseas cigarette market of the time: In the same year first ads appeared in both English and Chinese language newspapers in China