You may be urprised to know that we are selling books in the tens of thousands. We have about fifty books and many librarians and college professors are very appreciative of them because until their publication there was no such literature in existence. It is a new contribution to the world. Therefore we prescribe that you live in a certain way, dress in a certain way, eat in a certain way and so on. These things are helpful for practicing Krsna consciousness, but they are not essential.
Drugs are chemical substances, which are material.
It is impossible. It's just a name given to people who have had an experience of another level of reality. Our reality is God realization, which occurs when we come to the spiritual platform. From the mental platform we may come to the intellectual platform, and from the intellectual platform we can rise to the transcendental platform. Finally we can rise above even the transcendental platform and come to the spiritual platform.