Question

An is a chemical substance used to treat, prevent, or diagnose a disease or alter one or more functions of the body.

Answer 1

A chemical substance used to treat, prevent, or diagnose a disease or alter one or more functions of the body is referred to as a drug, pharmaceutical drug, medicine or medication.

Drugs are obtained by many ways: by synthesizing them through organic means or by extracting them from medicinal plants.

Drugs are essential for curing ailments and giving us relief from health related issues.