While caffeine is supposed to make you feel energized and alert, some people who drink coffee often feel tired after their ...

For anyone who hates feeling sluggish after their morning cup, making these simple adjustments could help you feel more alert ...

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 ...

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 ...

That’s because the caffeine in coffee blocks the adenosine receptors in our brain, which is a neurotransmitter responsible for making us feel more relaxed and sleepy. So when we drink coffee ...

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

Caffeine is an antagonist of adenosine receptors, a neurotransmitter that promotes relaxation and sleep. By blocking it, it increases neuronal activity, which translates to: Imagine your brain has ...

Sometimes energy drinks have the opposite effect and lead to tiredness because you “crash.” Find out why drinks without sugar ...