One of the most widely consumed substances in the world, caffeine is found in varying amounts in coffee, tea, chocolate, soda, and energy drinks. According to the marketing experts at Brandon Gaille, the United States leads the world in caffeine consumption, taking in around 970 tons every year. The majority of that caffeine is consumed in the form of coffee. Although too much caffeine has been linked to increased anxiety, insomnia and restlessness, those cups […]