Pharmacology: The investigation of medications, their sources, their tendency, and their properties. Pharmacology is the investigation of the body's response to drugs. It developed as a significant zone in American medication generally because of the endeavors of John Jacob Abel (1857-1938) who focused on the significance of science in medication, researched on the endocrine organs, first secluded epinephrine (adrenaline), solidified insulin (1926), and turned into the principal pharmacology educator in the U.S.Pharmacology is a part of medication and pharmaceutical sciences which is worried about the investigation of medication or medicine activity, where a medication can be comprehensively or barely characterized as any man-made, regular, or endogenous (from inside the body) atom which applies a biochemical or physiological impact on the cell, tissue