Is Vaping Safe? Scientists Disagree on Health of E Cigs Like Juul Bloomberg One Juul pod contains the equivalent nicotine of 20 cigarettes a highly addictive amount. Today, some e cigs can contain more nicotine than *200 cigarettes.* Join us in sending a message to Juul illegally called its e cigarette safer than smoking, FDA says Los Angeles Times Why is vaping so popular? Devices are sleek and can be highly addictive. Vox