Beyond its energizing effects, caffeine can also influence cognitive performance, memory, mood regulation and even long-term ...

Here’s why. You may feel sleepy after drinking coffee because caffeine blocks adenosine receptors in the brain. Adenosine is ...

In contrast, caffeine competes for and blocks adenosine receptors. Adenosine receptors normally increase drowsiness, so blocking them directly increases wakefulness and alertness. Blocking ...

Caffeine and adenosine compete with each other for receptors in the brain and when you’re asleep, caffeine prevents adenosine from being received by your brain. In simple terms, having a nap ...

The act of ordering a coffee a dopaminergic reward system, while even the anticipation of waiting for a coffee or a tea can ...

Are you one of those who can't imagine a workout without a pre-gym coffee fix? You're not alone! Caffeine is one of the most ...

Nutritionist Nichola Ludlam-Raine weighs in on the buzzy “coffee nap” trend, revealing why it works and how to do it right.

But that’s the challenge — to change the system more than it changes you.”- Michael Pollan  The aroma comes first—earthy, ...

In moderation, caffeine consumption is safe, says Scott Rivkees, Florida’s former secretary of health and surgeon general.

Caffeine also blocks adenosine receptors. Adenosine is a molecule that helps regulate bodily functions like sleep, blood pressure, and heart rate—and when caffeine blocks these receptors, the body ...

How caffeine works in our bodies Caffeine works mainly by blocking receptors for adenosine, a compound that builds up in our brains during the day. “We think that adenosine serves as an ...

but caffeine blocks the adenosine receptors in your nerves, so your brain perceives less pain and fatigue. This helps you keep going. There is also evidence, says Naughton, that caffeine can be ...