Is vaping more dangerous than smoking? UK Addiction Treatment Centres Can Vaping Cause Drug Addiction? Ranch Creek Recovery Nicotine in vapes is highly addictive and can negatively impact a teen's developing brain, affecting memory, focus, and mood. Even short term use can cause headaches, nausea, sleep problems, and increased heart rate. Vaping isn't just harmless clouds Most vapes = NICOTINE Impacts your brain (especially under 25) Addictive as before you even realise Messes with your lungs & 20 year old addicted to vaping nicotine warns Don't do it.