How safe is vaping? UCLA Just the Facts: Vaping SAFE Project What Is Vaping and Why Is It Risky? Vaping isn't harmless. It's not cool. And it's definitely not safer. As a doctor, I'm seeing younger lungs, faster addiction, and silent damage all wrapped in flavours and marketing. No smoke Vaping reduces saliva flow, increasing the risk of cavities and bad breath. If you vape, giving your mouth a break matters. The longer you wait between puffs, the more time your saliva Vaping isn't just vapor. It's an aerosol filled with nicotine and chemicals that go deep into your lungs and straight into your bloodstream. Many vapes contain: Highly addictive nicotine