cigarette smoking and pneumonia An illustration depicting cigarettes a pair of lungs affected by smoking. A number of respiratory disorders are causally linked to smoking, including asthma, chronic obstructive pulmonary disease, laryngeal cancer, lung cancer This JAMA Patient Page describes

Studies show that about 90 percent of smokers and nonsmokers believe that cigarettes described as "light" or have certain colors on the packages are less harmful even though "all commercial cigarettes are equally lethal," said David Hammond, a health behavior researcher at the University of Waterloo in Canada

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Vaping products also contain nicotine, and there is no such thing as a safe tobacco product. Tobacco contains a toxic mix of chemicals that, over time, lead to serious, often fatal lung diseases, including cancer and chronic obstructive pulmonary disease (COPD)