DYKOne Juul pod contains as much nicotine as a pack of cigarettes. Side effects include increased heart rate and blood pressure, lung disease, chronic bronchitis and insulin resistance leading to type 2 FDA warns Juul, says it marketed vapes as less harmful than regular cigarettes without agency authorization The Washington Post Juul's nicotine salts are dominating the market and other companies want in The Verge Juul, the vape device teens are getting hooked on, explained Vox