Downing more than 600mg a day ( the equivalent of six mugs of brewed coffee) can produce anxiety, sleeplessness, agitation, ...

When you drink coffee or other caffeinated beverages, caffeine blocks the receptors in your brain that normally absorb ...

Professor Jeffrey Grossman is on a mission to get students to think critically about materials they interact with every day.

As a nation of coffee lovers, we now drink approximately 98 million cups of ... to adenosine, a molecule that has a relaxing effect on the central nervous system. This allows caffeine to fit ...