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Global strategy for the diagnosis, management, and prevention of chronic obstructive pulmonary disease

The numbers of mutations within any cancer cell will vary between individuals, but this study shows the additional mutational load caused by tobacco

It's at once a surprisingly poignant meditation on the maturation process, and a vehicle for silly jokes about the lyrics to "Rump Shaker." Watch the sketch here

"We must work with regulators instead of tiptoeing around them." The FDA faces a complex challenge in stopping the illegal vape import surge but has been "unacceptably slow" in responding, said Kurt Ribisl, a public-health professor at the University of North Carolina at Chapel Hill