The process begins very quickly and caffeine’s effects can last as long as 4 to 6 hours in the average human.
From here it is delivered directly into the blood where its effects on the brain and other parts of the body can be felt almost immediately. Caffeine is absorbed, which means it can easily traverse the linings of the mouth and throat. The second you sip that cup of coffee, black tea or energy drink, caffeine is already being absorbed into the bloodstream. Then once you get going inertia flies you to the finish line. So, what is it about caffeine that gives it such a unique and pleasant effect on our mind and body? It could be said that caffeine accelerates the brain’s functions by removing their braking systems. High doses of caffeine can result in insomnia, high blood pressure, a racing heart and profuse sweating. Furthermore, it clears the mind of the inconsequential and sharpens our focus to where it can make the biggest difference.Ĭaffeine also plays an important role in adjusting the body’s daily natural clock and is a good way to optimize routine events such as waking up, intense exercise, and mentally exhausting activities or to ward off drowsiness that occurs at the same time each day, such as when leaving work and driving home.īut there is a dark side to this providential potion drink too much and the symptoms can be counterproductive to a clear mind and smooth operations. It also combats the fatigue of a long day of work and enables us to gather our strength for another round of physical or mental strain. Why is it that we reach for a cup of joe when we feel our last vestiges of endurance flitting away? ye olde morning personīecause caffeine improves our mood and therefore the perspective we have on the tasks at hand. Caffeine is the best friend of desperate students, determined workers and many of the greatest minds this world has known. The single most widely used “psychoactive” drug in America and probably the world is caffeine.