Pharmacology is the study of how a drug affects a biological system and how the body responds to the drug. The discipline encompasses the sources, chemical properties, biological effects and therapeutic uses of drugs. You'll learn about 1:- classification of drugs. 2:- mode of action. 3:- Drug- Drug interactions 4:- Food-Drug interactions 5:- Receptors 6:- Channels And all additional basic information to deal with pharmacology