Thursday, December 6, 2012

How Does Caffeine Affect The Brain

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How does caffeine affect the brain? What does caffeine do to the brain? To add, why does caffeine keep you awake? Ever had a moment when you accidentally – and carelessly – poured yourself a glass of Coke at approximately 30 minutes before bedtime? How about when you drank a cup of coffee and ended up alert, alive, awake and enthusiastic at 3 AM? How about passing your midterms because you had a handy caffeine pill on hand? Whatever it may be caffeine is indeed a wonder drug especially to those who still can’t get over Friday the 13th movie starring Freddy Krueger in the flesh.


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Of course, everybody needs to stay awake at some point in their life. How does caffeine affect the brain? It all stars when caffeine in coffee, cola, or chocolate bar gets digested and absorbed in the body. At approximately 15 to 45 minutes after ingestion, caffeine is swirling through the bloodstream then the chemical is carried to the brain as cell food. However, in the brain, there are nucleotides called adenosine that are primarily responsible to get the person some slack. These nucleotides attached themselves at receptors to transport impulses. What does caffeine do to the brain? When caffeine arrives, it blocks off receptor cells and keep adenosine at bay. This keeps the person awake and stimulants in caffeine gets the brain into releasing epinephrine which then alters the body’s response and as well as vital signs – that includes feeling hot, having palpitations and increase in  heartbeat, increase in respiration rate and in blood pressure. Caffeine can also cause mood fluctuations and mood instabilities. This is due to chemical alterations happening in the brain – of course, thanks to caffeine itself.


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Coffee is basically not good when consumed in high amounts thus it is best to drink it moderately. Now, how does caffeine affect the brain? It simply causes too many differences in chemicals.

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