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However, in COPD, due to the persistent stimulation of harmful factors such as smoking and air pollution, mitochondrial quality control mechanisms often become deregulated, leading to mitochondrial dysfunction

OA 06.02 final report of the INHERIT EGFR Study 33 unrelated kindreds carrying germline EGFR mutations

Also, an e-cigarette user is classed as a non-smoker

Smoking damages the lungs defense mechanisms, making it harder to fight off COVID-19 and other respiratory diseases, according to several doctors who specialize in chest conditions like pneumonia, asthma and tuberculosis

Congress also is considering legislation to empower the Food and Drug Administration to regulate tobacco