Caffeine is a common feature of many sodas, coffee, and food products. It’s a drug that is made naturally in the leaves and seeds of many plants and gives an energy boost when consumed. But how long ...

If you’re like most adults, you probably enjoy a cup of coffee or tea now and again. These drinks are natural sources of caffeine, the most commonly used stimulant in the world (1). Although commonly ...

Sherri Gordon, CLC is a certified professional life coach, author, and journalist covering health and wellness, social issues, parenting, and mental health. She also has a certificate of completion ...

Adam Taylor does not work for, consult, own shares in or receive funding from any company or organization that would benefit from this article, and has disclosed no relevant affiliations beyond their ...

Caffeine is a natural stimulant found in over 60 plants. People consume caffeinated foods and beverages to give them a kick of energy. The most common way to take in caffeine is with a cup of coffee ...

Most cold brews have less caffeine than hot coffees. But caffeine content in a cold brew can vary depending on such factors as brand, bean-to-water ratio, and brewing time. Cold brew coffee is a type ...

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.

Kristie Reed, PharmD, oversees emergency, general medical, surgical, psychiatric care, and oncology medication as the pharmacy director of a community hospital. Dr. Reed specializes in IV medications.

You might have reached a point where you’re ready to quit caffeine or, at the very least, cut back on the amount of caffeine you drink. The degree to which you feel better if you quit caffeine depends ...