Caffeine - the Restless Drug.

Caffeine is an alkaloid (nitrogenous organic molecule) methylxanthine that can be found naturally or artificially in a wide range of food products, such as, coffee, tea, chocolate, cola beverages, Yerba maté, guaraná, etc. It is usually recognised for its distinct bitter taste and for its properties as a stimulant of the central nervous system, heart, and respiration. In Australia, about 240mg of caffeine is consumed per person each day from all sources.
Caffeine in its pure state it is an odourless, but extremely bitter white powder. The chemical formula is…