Vaping isn't harmless. Nicotine reaches your brain in seconds, raises heart rate and blood pressure, and can alter brain development especially in teens. Most flavored e cigarettes contain nicotine, making addiction easy and How E Cigarettes Affect Your Body Does Vaping Cause High Blood Pressure? 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.