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Caffeinated: How Our Daily Habit Hooks, Helps and Hurts Us by Murray Carpenter draws on the latest research to reveal the little-known truths about this addictive, largely unregulated drug that we consume every day in coffee, energy drinks, teas, colas, chocolate, and even painkillers.

Many purveyors of caffeine-based products have ducked regulation for decades - how have they been allowed to get away with this? And are you aware of how caffeine is used to reinforce buying patterns, sharpening our craving for it?