With the exception of a rare genetic defect, the only established cause of clinically significant COPD is cigarette smoking.
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Q21: About one in three smokers who are
Q29: Ammonia added to tobacco speeds up the
Q33: As with alcohol, when tobacco is consumed
Q34: When given nicotine gum, smokers smoke fewer
Q34: Carbon monoxide is an extremely toxic gas
Q35: Nicotine is odourless and colourless.
Q36: Tar is classified as a component of
Q38: The major contributing factor in tobacco for
Q41: Female adolescent smokers have a greater loss
Q42: When mothers smoke during pregnancy, a newborn
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