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 ...

Caffeine is the most widely used psychoactive drug in the world, consumed by billions of people every day in the form of tea, coffee, and energy drinks. It is commonly consumed to boost alertness and ...

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, ...