Drinking more coffee and tea isn’t our problem. Both drinks have long been known for their health benefits. But when you ...

Should you drink that second cup of coffee? The debate over caffeine has raged on for centuries, with passionate advocates ...

A new study shows that even a moderate dose of caffeine alters brain activity during sleep, increasing complexity and nudging neural systems toward a high-efficiency processing state, especially ...

Carolin Reichert, an author on the 2021 study from the University of Basel, noted these caffeine-induced gray matter changes seem to recover quite quickly after caffeine consumption is ceased ...

For many of us, the day doesn’t truly begin until we’ve had that first glorious cup of coffee. Whether you’re a flat white ...

What do they have in common? Caffeine! Caffeine is structurally similar to adenosine, found in our brains. Both molecules are water and fat soluble so they easily cross the blood-brain barrier. In the ...

Few substances have woven themselves so seamlessly into the fabric of daily life as caffeine. Found in coffee, tea, chocolate and countless performance-enhancing supplements, this naturally ...

Excessive caffeine leads to jitters, anxiety, and poor sleep, impacting brain function. The FDA suggests up to 400 milligrams daily, about two to three cups of coffee, is generally safe for most ...

Understanding the comparative benefits of napping versus caffeine consumption can help you make more informed choices about how to optimize your brain function during that challenging afternoon ...

and simple environmental changes can help combat afternoon fatigue without requiring caffeine. Sunlight exposure provides a powerful signal to your brain that it’s time to be awake and alert.

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 ...