Nicotine is a stimulant, and stimulants are not without side-effects. There isn't a stimulant known that doesn't put stress on the cardiovascular system. Nicoti

Nicotine is a stimulant, and stimulants are not without side-effects. There isn't a stimulant known that doesn't put stress on the cardiovascular system. Nicotine increases blood pressure, heart rate and vasoconstriction. Reminder that a low-grade stimulant like caffeine is considered to have deleterious effects.