Smoking or Vaping Cannabis and Cardiovascular Function: Is 9Tetrahydrocannabinol the Main Culprit? Journal of the American Heart Association How to Quit Vaping, According to Experts The New York Times How a 14 year old boy became addicted to Spice through vapes Do electronic cigarettes create thirdhand chemical residue? Thirdhand Smoke Resource Center Think you can't donate blood? Think again. Australian Red Cross Lifeblood Can You Give Blood If You Smoke? MD Spiro