Write a Mini-paper: Is nicotine harmful to the cardiovascular system?
Isolate the effects of nicotine on thecardiovascular system. You should not rely on studies of smoking, as many otherfactors are involved.
Write a Mini-paper: Is nicotine harmful to the cardiovascular system?
Isolate the effects of nicotine on thecardiovascular system. You should not rely on studies of smoking, as many otherfactors are involved.