While both tea and coffee plants produce caffeine, this trait evolved independently – meaning caffeine production developed at least twice.

In the same way, it looks like caffeine actually evolved twice on the planet, once in tea and once in coffee. It’s thought that caffeine evolved in coffee to help protect the plant from predators, and it also helps with pollination. This suggests that the ability to make caffeine evolved at least twice, in the …

While both tea and coffee plants produce caffeine, this trait evolved independently – meaning caffeine production developed at least twice. Read More »