What Parents Need to Know about Vaping and JUULing 5210 What is JUUL? 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 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. What Does A JUUL Really Do To Your Body? Franciscan Health