A new study published in Heliyon suggests that the energizing effects of coffee might have less to do with caffeine and more to do with the ritual of drinking it. In a double-blind, placebo-controlled ...

Caffeinated coffee is more likely than decaffeinated coffee to help you feel alert, energetic, and stronger, but also to interfere with your sleep and cause nervousness and jitteriness. Caffeinated ...

We consume hot water decoctions of Coffea arabica (coffee), Camellia sinensis (tea), Paullinia cupana (guarana), and Cola acuminata (used in Coca-Cola and similar beverages) mainly for their ...