RT @SmokefreeGov: #Secondhand #smoking contains 70 toxic chemicals known to cause #cancer. Do you know the risks? http://t.co/vpGjnVBSoc

RT @SmokefreeGov: #Secondhand #smoking contains 70 toxic chemicals known to cause #cancer. Do you know the risks? http://t.co/vpGjnVBSoc (via Twitter http://ift.tt/1oWqBhp)