According to National Geographic's January edition, less than 200 years ago, people figured out that the buzz they got from coffee and tea was the same chemical. In 1820, after coffee shops had spread across Western Europe, the German chemist Friedlieb Ferdinand Runge first isolated the drug in a coffee bean. The newly discovered drug was dubbed "caffeine" meaning something found in coffee. Scientists then began to find caffeine in many of its natural forms. In more than 60 plants, scientists found caffeine in kola leaves, cacao pods, and tea leaves just to name a few. Caffeine motivated the industrial revolution in Western Europe. Boiling water to make coffee or tea helped decrease the spread of disease between workers. Also, the caffeine in their systems kept them from falling asleep while working the machines. In a sense, caffeine is the drug that makes the modern world possible. Without that useful jolt of coffee or diet coke or Red Bull to get us out of the bed and back to work, the 24-hour society of the developed world couldn't exist.…