Vaping weed is popular, but there are many unknowns about its safety : NPR 5 Vaping Facts You Need to Know Johns Hopkins Medicine How to Vape: New Vapers, Start Here! Open Pod Vape vs Closed Pod Vape: Unveiling the Benefits All about vapes what's in them, how do they work, and more Philip Morris International The use of vapes and e cigarettes causes an immediate increase in blood pressure, heart rate, and blood vessel constriction. In the long run, this can cause an increased risk for heart disease.