How Caffeine Accidentally Took Over The World

Caffeine, originally a plant defense mechanism, evolved from xanthasine to deter insects and inhibit competing plants. It also aids pollination by enhancing bees' memory. Humans, sharing similar physiology with insects, have utilized caffeine for its stimulating effects for thousands of years, making it a staple in modern society.

How has caffeine consumption evolved in human history?

Discuss the impact of caffeine on modern human civilization.