RT @SmokefreeUs: Tobacco use is risk factor for head & neck cancers: Fact sheet @theNCI http://t.co/HqJaZunf61 Quit w/ smokefreeTXT http://t.co/2wT1QrmYl4

RT @SmokefreeUs: Tobacco use is risk factor for head & neck cancers: Fact sheet @theNCI http://t.co/HqJaZunf61 Quit w/ smokefreeTXT http://t.co/2wT1QrmYl4 (via Twitter http://ift.tt/1byKftB)