Coffee has a way of filtering into a person's morning routine until it becomes a habit. And for many, "habit" may not even be a bold enough word. Call it what you will — ritual, addiction, obsession — a cross-border caffeine addiction is generally considered manageable, if not beneficial. Several studies (perhaps conducted by hopeful coffee lovers) point to how Java can be healthy. As we have reported before, coffee can help you live longer, give you better eyesight, even increase your metabolism.
"Caffeine can improve…