An curved arrow pointing right. Caffeine is the most commonly used psychoactive drug in the world. It's known for that pick-me-up it gives. However, it has several other effects on the human body.

But how much do we know about how the brain functions under the influence of caffeine? An article in a 1995 issue of NASA Tech Briefs discussed work done by researchers at Marshall Space Flight ...

British researchers have identified one long-acting way to give your brain a boost ... of Behavioral Nutrition and Physical Activity. Caffeine is not new to scientific study.