depends what kind..long term, short term, which drug...? too vague to answer but I would suggest staying away from drugs.
They try to mooch your drugs.
Inotropic drugs affect the force of contraction. Chronotropic affect the rate of contraction.
ALL DRUGS will affect your performance in some sort of way.
only the re-creational drugs affect your life. meaning the bad ones. good drugs such as medicines, help you when your sick.
Drugs slower the nervous system.
you can take from drugs skin cancer
some of the drugs can cross blood-brain barrier, so it can affect neurons too.
They could die. And affect everyone.
yes
like that.
steroids
yes