Are e cigarettes dangerous, or a better alternative to tobacco? E Cigarettes and Vaping PPAC Central Have you been thinking about trying vapes or e cigarettes? Think again! Most e cigarettes contain nicotine and other harmful substances. Some products claiming to be nicotine free have been found to contain nicotine. Nicotine Vaping: Facts about E Cigarettes Perennial Recovery Vaping and E Cigarettes Causing Outbreak of Respiratory Illnesses, Other Severe Health Problems, and Deaths Sommers Schwartz