Discovery Health Why Does Caffeine Exist? Scott Admin posted on 2 years ago — updated on 1 second ago 389 views Today, billions of people around the world start their day with caffeine. But how and why did the ability to produce this molecule independently evolve in multiple, distantly-related lineages of flowering plants, again and again? health pbs coffee caffeine foods plants PBS EONS Scott Follow Author, educator, musician, dancer and all around creative type. Founder of "The Happy Now" website and the online jewelry store "Silver and Sage".
