What Happens When You Quit Smoking and Start Vaping? Vaping might feel safer than smoking but whats really happening inside our lungs?, The EVALUATE study led by the @unibirmingham will be the first to track ex smokers over a whole year to uncover What Is In The Vapour Produced By E Cigarettes? V2 Cigs UK E Cigs and Second Hand Vaping: Dangers and Protections Do Nicotine Vape Pens Smell? Smoking vs Vaping Which is Worse? Smoking: 1. 7,000+ harmful chemicals 2. Causes lung cancer, COPD, heart blockages, strokes 3. Long term, progressive, and deadly Vaping: 1. Marketed as "safer" but misleading