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Increased expression of beta-defensin 1(DEFB1) in chronic obstructive pulmonary disease

Comparing nicotine levels Finally, the researchers compared the levels of nicotine in the blood serum of people after they had vaped e-cigarettes with the levels in people who smoked traditional cigarettes

52 (5): 139e146

The use of e-cigarettes has spiked The use of e-cigarettes has spiked: the percentage of US adults who smoke e-cigs rose to 8.5 percent in 2013 from 3.3 percent in 2010

As lung surgeon Alton Ochsner wrote in 1939, Inhaled smoke, constantly repeated over a long period of time, undoubtedly is a source of chronic irritation to the bronchial mucosa. Researchers also noted an increase in lung cancer cases, but the incline was commonly attributed to other types of inhaled toxins, like automobile exhaust, tar fumes and factory smog

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