It depends on what you mean by drugs and the type of damage they do. I know that if your brain cells are killed, they will never come back. That's why sometimes people who are drug addicts seem to process slower: they have fewer neuron connections.
They turn to drugs, prescribed by Doctors, to help them recover from illnesses.
yes he did do drugs
No....he died of a drug overdose in London in 1970
No.
you can not you just die or take drugs and then die
No he has never done drugs
It is unknown if he takes drugs or not.
no
Not yet.
yes he did
It can enhance your performance and increase strength.
Usher cancelled his euro tour due to drugs but he won't ever do drugs again because they killed his father :( sadness