Caffeine is not only found in coffee, but also in tea, chocolate, energy drinks and many soft drinks, making it one of the ...

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 ...

The scans revealed that both groups — those who consumed caffeine and those who drank coffee — had decreased activity afterward in a part of the brain that puts people in a resting state.

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

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 ...

The findings suggest that habitual coffee drinkers may have developed a conditioned response, meaning the act of drinking coffee itself can trigger physical and mental changes, even without caffeine.

My patient was unaware that his caffeine-induced sense of alertness was illusory. His brain was deeply and chronically deprived of sleep, and it was fooled only temporarily by his hefty caffeine use.

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 ...

"The brain is like a big muscle," Bailey says. "It needs to perform things, and dopamine, adrenaline and caffeine all stimulate it." There's a huge body of evidence around caffeine's effects on ...

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 ...