The World of Caffeine

Caffeine is the world's most popular drug! Almost all of us start our day with a jolt of caffeine from coffee, tea or cola. And many of us crave chocolate when we're stressed or depressed. Without it we're lethargic, head-achy and miserable. Why? Why do we crave caffeine? How much do we really know about our number one drug of choice? Here is the first natural, cultural, and artistic history of our favorite mood enhancer--how it was discovered, its early uses, and the unexpected parts it has pla