As we are running in a very thick of puzzled life with multiple roles, responsibilities and commitments, the stress is inevitable. The coffee containing caffeine, to a lot of us, seems to be that one companion that helps us wake up and fight the fatigue monster. The debate between caffeine addicts and health freaks, who stay away from it is unending. So, we thought why not tackle the issue once and for all. The present paper deals with the study of various aspects of caffeine use and their effects on human beings.