E Cigarettes, Vapes, and other Electronic Nicotine Delivery Systems (ENDS) FDA Vapes VS. Cigarettes, Which One Is Safer? Most people switch to dry herb vaping for one reason but stay for another. Here's the real lesson: Combustion = smoke, lingering odor, and byproducts you may not want Vaporization = E Cigarettes & Vaping: Facts for Parents HealthyChildren.org Schematic of the E cig exposure system. E cig and combustion cigarette Download Scientific Diagram