"Caffeinated reveals the little-known truth about this addictive, largely unregulated drug found in coffee, energy drinks, teas, colas, chocolate, and even pain relievers. We learn why caffeine has such a powerful effect on everything from boosting our mood to improving our athletic performance as well as how--and why--brands such as Coca-Cola have ducked regulatory efforts for decades. We learn the differences in the various ways caffeine is delivered...