How caffeine became the new protein

You probably start your morning with some coffee to get your brain online. Classic choice. But for many of us, that buzz lasts only so long. When your energy begins to flag, you could pull some caffeinated trail mix out of your desk drawer as a midmorning snack. Come lunchtime, to make sure you’re really gleaning every possible benefit from your meals, you could add some caffeinated beef jerky. And then, when your focus inevitably lags in the afternoon, you could munch on caffeinated gummy bears...