Juul can continue selling e cigarettes as FDA says vaping benefits outweigh risks PBS News Children Told JUUL Was "Much Safer" than Cigarettes By Manufacturers of Addictive Vape Pen, FDA Letter Claims AboutLawsuits.com Why is vaping so popular? Devices are sleek and can be highly addictive. Vox 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.