Caffeine is a naturally occurring stimulant often found in coffee, tea, chocolate and various energy drinks and medications. But how does caffeine impact the body? Let’s take a system- by-system look ...

The levels of caffeine in your blood could affect the amount of body fat you carry, a factor that in turn could determine your risk of developing type 2 diabetes and cardiovascular diseases. Those are ...

We’re a nation fuelled by caffeine. We drink about 100 million cups of tea a day, according to the UK Tea & Infusions Association; and, says the British Coffee Association, somewhere in the region of ...

Paraxanthine, a compound the body naturally produces when it breaks down caffeine, is starting to appear in energy drinks and even some coffee products as a potential caffeine alternative.

Researchers are still studying how caffeine might affect fertility, as the current research isn’t conclusive. They do know that caffeine can impact hormone levels and the reproductive system. “The ...

Is caffeine your favorite drug? We'll find out what it does to our bodies from Dr. Roland Griffiths. Discover how to make your own Thai curry, the essence of Thai cooking, from Jet Tila. Suzanne ...

Coffee's impact on sleep isn't straightforward habitual drinkers may adapt, showing little disruption, though timing and moderation still matter.

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

A cup of coffee or tea in the morning or an afternoon caffeine pick-me-up is usually fine for most adults. But parents might want to take a closer look at caffeine and other ingredients in the drinks ...

Mixing caffeine and alcohol may make you feel more alert, but it doesn't make you less intoxicated. Here's what to know.

Pre-workout supplements can support energy, strength, and endurance during exercise, but they also come with several potential side effects.