The FDA's Juul Ban May Not be a Pure Public Health Triumph Vaping is often marketed as a safer alternative to smoking, but many vape products contain nicotine, harmful chemicals, and heavy metals that can harm developing brains and lungs. Juul E Cigarettes Side Effects, Addiction Risks & Teen Use Juul illegally called its e cigarette safer than smoking, FDA says Los Angeles Times JUUL vs Vape Pens: What's the difference? Vape Shack What Does A JUUL Really Do To Your Body? Franciscan Health