It doesn't cause cancer, never caused cancer, I never saw any cancer related to the use of nicotine by itself, and it doesn't cause any pulmonary problems.
The cardiologists tell us that the use of nicotine could slightly increase the heart rate and slightly increase the blood pressure. It's minimal and for them it's not significant compared to the use of tobacco cigarettes.
I cannot tell you that nicotine is completely innocuous in terms of health effects, but the product by itself has so little effect on human health. In the second slide I showed you see the list of diseases related to tobacco smoking and the only thing that is related to nicotine is dependency or addiction.