Coffee can Improve Energy Levels and Make You Smarter
Coffee can help people feel less tired and increase energy levels ( That's because it contains a stimulant called caffeine the most commonly consumed psychoactive substance in the world ( After you drink coffee, the caffeine is absorbed into your bloodstream. From there, it travels to your brain ( In the brain, caffeine blocks the inhibitory neurotransmitter adenosine.
When this happens, the amount of other neurotransmitters like norepinephrine and dopamine increases, leading to enhanced firing of neurons ( Many controlled studies in humans show that coffee improves various aspects of brain function including memory, mood, vigilance, energy levels, reaction times and general mental function ( Caffeine blocks an inhibitory neurotransmitter in your brain, which causes a stimulant effect. This improves energy levels, mood and various aspects of brain function.