The effects of caffeine on the brain Video
Caffeine and Adenosine ReceptorsThe effects of caffeine on the brain - not meant
Caffeine is a bitter, white crystalline xanthine alkaloid that acts as a psychoactive stimulant drug. It can have both positive and negative effects on different aspects of memory. The effects of caffeine on short-term memory STM are controversial. Findings are inconsistent, as many effects of caffeine sometimes impair short-term and working memory , whereas the other studies indicate enhancing effects. Increasing our memory capacities would result in retaining more information for extended periods of time and encoding information from STM to long-term memory. the effects of caffeine on the brainAlmost all of us know the basic effects of caffeine on the brain: It produces more attention and revitalizes us. But does caffeine affect the brain in any other way? Experts agree that drinking coffee in moderate quantities is a healthy practice. However, when we consume coffee in very high volumes, it causes various problems.
Likewise, another of the effects of caffeine on the brain is that of generating dependence. This is ths experience withdrawal syndrome when we stop drinking it. As we know, the active ingredient of coffee is caffeine, and this is a psychoactive substance. It belongs to the alkaloid familywhich also includes drugs such as morphine, nicotine, or cocaine.
This is because caffeine is capable of modifying the action of neurotransmitters in the brain.
Additionally, coffee and caffeine also influence another important number of processes in the organism, such as digestionmetabolism, and vision. From the moment we wake up, and throughout the day, the body naturally produces a substance thr adenosine. This is responsible for the sensation of tiredness and makes us feel sleepy at night. If we drink coffee, this process can be altered.
Caffeine, adenosine, and adrenaline
Caffeine is an antagonist of adenosine, which, simply stated, means ot one blocks the action of the other. At the same time, this interaction between caffeine and adenosine leads the pituitary gland to release hormones that stimulate the adrenal glands to produce adrenaline. This leads to an increased heart rate and more blood pumping, as well as more agitated breathing. All of this together makes us feel more anxious and irritable.
Another additional effect is that caffeine prevents the reabsorption of dopamine, a neurotransmitter that also affects the process of fatigue and rest. The team of Dr. Florian Cafffine, from the Medical University of Innsbruck in Austria, presented a study on the subject. In this study, they state that caffeine activates the frontal lobes of the brain. This area regulates processes such as attention and short-term memory.
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Other studies point out that another way that caffeine can affect the brain is by helping to fix memories more easily. However, the available information indicates that when consumed in excess, it reduces performance in all areas and generates a state of great nervousness. Caffeine also helps some medications to act more quickly and effectively, as is the case with ibuprofen, paracetamol, or aspirin. In fact, there are health conditions because coffee acts as a mild analgesic, particularly in hypotension headaches. Coffee also makes you feel starzak alissa appetite, although this sensation is neither long-lasting nor relevant from the point of view of a weight loss plan.
Some studies have found that regular coffee drinkers are less likely to die of heart disease, cancer, and diabetes, among others. Caffeine remains in the body for a long time. Its https://digitales.com.au/blog/wp-content/custom/general-motors-and-the-affecting-factors-of/declaration-of-independence-thesis.php effects are felt fifteen minutes after ingesting it and persist up to five or six hours later.
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How does caffeine affect the brain?
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