[Essay Help]: Concepts

I need to find out the concepts of the following word for an addiction and ethic class, my professor only wants google scholar for the references, in APA stile  and is due today.  Can i have this work done for today?

Drug

Drug addiction

Depressants

Stimulants

Opioids

Cannabinols

Hallucinogens

Inhalants

Over the counter drugs

Narcotic drugs.