![]() Instead of acting as a stimulant, it becomes a natural pesticide in plants, thus protecting them against harmful insects. In the wild, caffeine works in an entirely different way. Most will know already that dopamine running through the system plays a significant role in, well, feeling good! It stimulates while making you feel more energised and less sleepy.Īdditionally, caffeine can increase blood adrenaline levels and even heighten brain activity of neurotransmitters such as dopamine and norepinephrine. In essence, by blocking large quantities of adenosine, caffeine has the opposite effect. This is because it blocks adenosine, a neurotransmitter that relaxes the mind. Its effect on the brain, in particular, is the primary reason why so many people consume caffeinated products. There, it is broken down and passed on to numerous other organs in the body, namely the brain. Once consumed, it is quickly absorbed into the bloodstream before travelling to the liver. But what, exactly is it - and how does it work?Ĭaffeine is a naturally occurring stimulant found in leaves and seeds. The term itself is a combination of the German word for “kaffee” and the French word “café”. It was a German scientist named Friedrich Ferdinand Runge who discovered caffeine in the 1820s. Despite this, knowledge about caffeine in Tea and Coffee only dates back to the 19th century. Coffee, meanwhile, has played a role in human history for at least a few hundred years. ![]() People have known about Tea for some 5,000 years. ![]() How Long Does Caffeine Last in Your System?.Does Caffeine Free Tea or Coffee Exist?.
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