A novel placebo-controlled study has found daily caffeine consumption can significantly reduce the volume of gray matter in the human brain. These findings do not immediately suggest caffeine ...

Coffee, cola or an energy drink: caffeine is the world's most widely consumed psychoactive substance. Researchers have now shown in a study that regular caffeine intake can change the gray matter of ...

Caffeine is a stimulant found naturally in beverages like coffee and tea. It’s also added to others, such as energy drinks and soda. Caffeine increases chemicals in your brain that improve mood, ...

Paraxanthine is the main metabolite of caffeine. Studies suggest it can boost alertness and focus, but the research base is ...