What are the five historical themes of drug use?

-human beings have a basic need to find ways to COPE with their environment

-human brain chemistry can be affected by psychoactive drugs, behavioral addictions, and mental illness.

-the ruling classes, governments, businesses, and criminals have been involved in growing and distributing drugs

-technological advances in refining, synthesizing, and manufacturing drugs have increased their potency

-the development of faster and more efficient methods of putting drugs into the body has intensified their effects