We, who love coffee very much, have a belief that coffee(which has caffeine) is better than cigarette or any other products which has nicotine. But as far as I know caffeine isn't so good for the body too. Is caffeine is less harmful than nicotine? Is there any comparative analysis on this?
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Here's a study where cocaine addicts were given IV nicotine or caffeine in comparable amounts:
Basically, both drugs showed roughly equal good/bad effects, patient liking, and stimulation, but nicotine caused most of the patients' heart rates to increase, while caffeine caused them to decrease. This particular article doesn't have much bearing on non-cocaine addicts, but it's the most reputable I could find that directly compared the two.
Most scientists agree that 1-3 cups of coffee a day isn't that bad for most people, especially if you take it black (no sugar, non-dairy substitutes, and other bad stuff).
On the other hand, nicotine, while possibly not terrible in small quantities on its own, tends to be packaged with serious health concerns (eg smoking