When I finally confronted my dependency and gave up coffee three months ago, my body wasn’t happy. In the mornings during the time that I would normally have my espresso, my thoughts tried to bargain ...

Caffeine can boost your brain or break your rhythm — the difference lies in timing. Caffeine is one of the most widely consumed psychoactive substances globally, with approximately 85% of the U.S.

Coffee and tea are among the plants that are highest in caffeine. Their use as beverages makes caffeine the most consumed psychoactive agent in the world. Coffee is commonly used to increase alertness ...

It’s easy to judge when you spot someone cruising out of your local coffee shop with an extra-caffeinated beverage in hand. The Last of Us star Pedro Pascal knows this all too well. He raised eyebrows ...