Is Second Hand Vape Smoke Bad Chugachmiut Breathing in someone else's smoke or vape isn't harmless. Secondhand smoke exposure can affect your lungs, brain, and overall health. Protect your families and yourself. Inhalar el humo o el vapor de Second Hand Vape: Should You Be Worried? Symptoms Of Second hand Vape Smoke Is Vape Harmful Is Secondhand Vape Smoke Bad For Pregnancy? In secondhand vape, scientists smell risk American Heart Association How are people exposed? Thirdhand Smoke Resource Center