Explain the Agonist drugs

Explain the Antagonists drugs

Explain the effects of drug addiction on family, society and the addicts.

Explain the term target drug action used in medicinal chemistry?

What are antagonist and agonist drugs?

What do you mean by antagonist and agonist drugs?

Describe the process by which receptors transfer message to the cells. What do you mean by antagonist and agonist drugs?

Explain the following terms related to drug action. Antagonists and agonists.