First hand smoke comes from all combustible tobacco products. This includes Cigarettes, Cigars, Pipes, Hookah, and VAPES. This is the primary source of nicotine addiction. No amount of Second hand smoke is safe and Secondhand smoke from cigarettes worse than vapes UPI.com Is Vaping Better Than Smoking? American Heart Association Secondhand Vape Exposure: Effects, Who's at Risk, and More Is Second Hand Vape Smoke Harmful Reddit A Cool Guide Side Effects of E cigarettes