Smoking
Genes Promoting Lung Cancer May Not Normalize When Smoking Stops
VANCOUVER, British Columbia — For some genes involved in the development of lung cancer, smoking may be forever, according to researchers here. [more]
One Cannabis Joint Equals Smoking Up to Five Cigarettes
WELLINGTON, New Zealand — Smoking a single marijuana joint by a heavy user can cause bronchial damage similar to smoking 2.5 to five cigarettes, researchers reported. [more]
More Evidence of Harm from Smoking During Pregnancy
UTRECHT, Netherlands — Exposure to tobacco smoke before birth may raise blood pressure substantially in infancy, which could have consequences later in life, researchers here said.
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