chewing tobacco and stroke Smoking boosts risk for rare, often fatal, bleeding Using smokeless tobacco can cause

Breathing air pollution of 22 g/m3 for one day is the equivalent of smoking one cigarette, according to Berkeley Earth

Join the conversation Wu and her colleagues are currently developing an online tool that could estimate how much various activities increase a persons risk of developing lung cancer

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Nature (2013) 503:2726.10.1038/nature12599 82 BenjaminJLHedinCRKoutsoumpasANgSCMcCarthyNEPrescottNJet alSmokers with active Crohns disease have a clinically relevant dysbiosis of the gastrointestinal microbiota