two harmful substances in cigarette smoke Tar Chapter 10 Respiration Lesson 3

Health risks of e-cigarettes emerge Vaping pollutes lungs with toxic chemicals and may even make antibiotic-resistant bacteria harder to kill Electronic cigarettes, marketed as safer than regular cigarettes, deliver a cocktail of toxic chemicals including carcinogens into the lungs, new studies show

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Curiously, some patients refuse these treatments, says Susana Simes, because they have read the drugs patient leaflet and are afraid of its possible side effects