2024 Author: Jasmine Walkman | [email protected]. Last modified: 2023-12-16 08:29
Almost all of us like to drink a cup of coffee or tea. And why not? They give us immediate energy and delight our hectic daily lives with their sugar content. There are millions of people who cannot imagine a quality awakening in the morning without at least a glass of one of the mentioned tonic drinks.
We all know that the strength and energy given to us by coffee and tea is due to caffeine.
It is a natural stimulant that is one of the most commonly used ingredients in the world. It usually works by stimulating the brain and central nervous system. Caffeine further helps us stay alert and avoid fatigue and lethargy.
How caffeine works in our body, however, is another question. Once consumed, this natural stimulant is rapidly absorbed from the intestines into the bloodstream. It then travels to the liver and breaks down into compounds that can affect the function of various organs. In addition, the main effect of caffeine is on the brain. It works by suppressing the effects of a neurotransmitter called adenosine, which relaxes the brain.
Thus, the ingredient helps us stay awake by binding these neurotransmitter receptors in the brain without activating them. This further blocks the effects of adenosine, which reduces fatigue throughout the day.
Caffeine also increases adrenaline levels in the blood and further increases the brain activity of the neurotransmitters norepinephrine and dopamine. The combination of these two components stimulates the brain and promotes a state of excitement, focus and alertness.
Thousands of studies have been conducted to find out if caffeine has an adverse effect on human health. Many studies say that small doses of caffeine can protect the brain from several degenerative neurological diseases, including dementia and Alzheimer's disease.
However, any overuse can lead to serious health problems in the long run. Scientists have found that the daily intake of caffeine should not exceed three cups of coffee or a maximum of four teas. This is the optimal option. Everything on top is harmful. Exceeding the daily limit can cause insomnia, nervousness, irritability, muscle tremors, anxiety and upset stomach.
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