Can electronic cigarettes cause heart problems? PortalCLNIC New Research on Vaping and Cardiac Issues Xyfil Ltd Most vapes contain dangerous chemicals that can harm your lungs, heart and brain, but did you know that the very act of vaping and sucking in air could in itself lead to EVALI: New information on vaping induced lung injury Harvard Health Smoking or Vaping Cannabis and Cardiovascular Function: Is 9Tetrahydrocannabinol the Main Culprit? Journal of the American Heart Association