What harm does second hand fumes from vaping cause to young lungs? Medical experts want to know ABC11 Raleigh Durham Thirdhand Smoke Resource Center Protecting Californians Vaping: The Smoke Free Habit That Isnt Risk Free, PALS Community Magazine, So vapes. They smell like bubblegum, look like highlighters, and somehow cost more than a weeks groceries. But whats Does Vaping Cause Secondhand Smoke? Myth Buster ~ "Second hand vape smoke" is actually water vapour and is not harmful to other people or the environment. #vape #vaping #vapeuk #ecigerette #smoke #quit