Drug FAQs:

Q: Is a drug any substance that?

A: Yes, when inhaled, injected, smoked, consumed, absorbed via a patch on the skin, or dissolved under the tongue, causes a physiological change in the body.

Q: Are drugs usually categorised into drug classes?

A: Yes.

Q: Are drugs an international treaty brought about in 1961 to prohibit the use of narcotics save for those used in medical research and treatment?

A: Yes.

Q: Are drugs chemical substances that affect the function of the central nervous system?

A: Yes, and altering perception, mood or consciousness.

Q: Are drugs illicit and international treaties such as the Single Convention on Narcotic Drugs exist for the purpose of their prohibition?

A: Yes.

Q: Are drugs often classified into drug classes—groups of related drugs that have similar chemical structures?

A: Yes, and the same mechanism of action , a related mode of action, and that are used to treat the same disease.

Q: Were drugs obtained through extraction from medicinal plants?

A: Yes, but more recently also by organic synthesis.