Who knew such a luscious flavor would also be a stimulating food? Ancient peoples of the Americas did. Cacao, cocoa,...

After water, tea is the world’s most widely consumed beverage. Tea originated in Asia, in the Himalayas where India and...

Wild coffee plants originated in the same region where early humans may have been born: Ethiopia. Around 600 AD, the Oromo,...

No one knows for sure when humans first consumed caffeine. Africa was the starting point for coffee, and probably fueled...

People Love Caffeine, But Why? Japanese pachinko machines work like regular pinball machines, except instead of playing one large steel...

Coffee, tea, chocolate and cola drinks are the most traditional sources of caffeine. Energy drinks and energy shots are the...

Nobody forces us to ingest caffeine. It’s not necessary. We choose to do so. In studies where participants didn’t know...

Most of us treat caffeine like electricity: We don’t care to know how it works; we just flip the switch...

* Caffeine came without instructions. THIS is the missing manual.* Welcome to my free online book about the basics of...