Digital Download Materials "Secondhand Smoke" Maine Prevention Store Is it risky to smoke or vape around companion animals? RSPCA Knowledgebase Secondhand e cigarette aerosols expose kids to less nicotine than cigarettes, study finds, but can still be risky CNN Do electronic cigarettes create thirdhand chemical residue? Thirdhand Smoke Resource Center Secondhand vape plumes could form lung damaging radicals American Chemical Society Secondhand Smoke vs Vape: What the Science Says