(Study material) Preparation for all pharmacy related exams.

Pharmacology is the branch of biology concerned with the study of drug action,where a drug can be broadly defined as any man-made, natural, or endogenous (from within the body) molecule
which exerts a biochemical or physiological effect on the cell, tissue, organ, or organism
(sometimes the word pharmacology is used as a term to encompass these endogenous and exogenous bio-active species).More specifically,it is the study of the interactions that occur between a living organism and chemicals that affect normal or abnormal biochemical function.If substances have medicinal properties,they are considered pharmaceuticals.