The Wikipedia page for "Cell (biology)" provides an extensive overview of the fundamental unit of life - the cell.

Clinical trials are prospective biomedical or behavioral research studies on human participants designed to answer specific questions about biomedical or behavioral interventions, including new treatments (such as novel vaccines, drugs, dietary choices, dietary supplements, and medical devices) and known interventions that warrant further study and comparison.

The Wikipedia page "Doctor of Medicine" provides a comprehensive overview of the professional degree awarded to medical practitioners around the world.

Drug development is the process of bringing a new pharmaceutical drug to the market once a lead compound has been identified through the process of drug discovery.

A molecule is a group of atoms bonded together, representing the smallest fundamental unit of a chemical compound that can take part in a chemical reaction.

Pharmacokinetics is a branch of pharmacology that focuses on the study of how drugs are absorbed, distributed, metabolized, and eliminated by the body.

Pharmacology is a scientific discipline that focuses on the study of how drugs interact with the body.