Big Vape' reporter talks lessons learned from Juul's rise, fall, and future The Examination Juul, the vape device teens are getting hooked on, explained Vox Juul illegally called its e cigarette safer than smoking, FDA says Los Angeles Times 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.