The Health Effects of Nicotine Use on the Brain and Body 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 Health Effects Vaping Information, Solutions & Interventions Toolkit Stanford Medicine Vaping harms your health Cancer Institute NSW E liquides Noix De Coco Taklope