it can still cause heart problems it speeds up the heart pretty fast or something I forget where I read or heard it so I could very well be wrong
I wouldn't be surprised if this statement was made by someone involved in the tobacco industry.
The only argument here is that it can cause your heart rate to go up. Running also causes your heart rate to go up, does that mean you should stop running?
If you have high blood pressure, you may have some problems if you smoke anything at all.