Vaping isn't harmless. While e cigarettes don't contain tobacco, nicotine is highly addictive and can harm brain development. E cigarettes can cause EVALIa serious lung injury linked to vaping. Symptoms like cough, chest Juul Raises $650 Million in Funding That Values E Cig Startup at $15 Billion WSJ Public Service Announcement Vaping might seem like a safer alternative to smoking, but it comes with serious risks. Vaping is particularly dangerous for young people. Nicotine exposure during adolescence can harm brain American Heart Association: Vaping Combined With Smoking Is Likely As Harmful as Smoking Cigarettes Alone