Which among the following plants is a source of a drug and is native to America?

In your locality,if a person is addicted to alcohol,what kind of behavioural changes do you observe in that person? Suggest measures to overcome the problem.

If amphetamines stimulate the central nervous system,what is the function of barbiturates?

Cirrhosis of the liver is caused by the chronic intake of

What is used as snuff?

Which drug is commonly found in sleeping pills?