Vaping isn't harmless. Early nicotine use can harm brain development, affect how nerve cells work, and increase the risk of addiction. Young people who vape are 4x more likely to start smoking You've probably noticed it. Step outside lately and cigarettes are back in rotation. Vapes had their moment. Now they're starting to feel a little overdone. Cigarettes never changed and that might be Vaping: What Parents Need to Know Vaping isn't harmless it's a serious concern. Most vape products contain nicotine, a highly addictive substance that can impact developing brains and overall health. Is vaping better than smoking? Or is vaping worse than smoking?