What does a Cup of Coffee do to You?

People drink coffee for two reasons. One they like it. And two they become more alert, more active and smarter. But what exactly happens in your body when you have drunk a cup of coffee?
It is clear that we are crazy about coffee. But what exactly happens when we drink a cup of coffee? Most coffee drinkers will answer this question with 'more alert' and 'sharper.' But is that true? In this article, we will see what a cup of coffee does to your body.

The caffeine in the body
A few minutes after you have drunk coffee, the caffeine gradually enters your bloodstream. This takes about 45 to 60 minutes before the concentration of caffeine in the blood has peaked.
At the moment, the effects of caffeine are the highest. Then the caffeine leaves your body. How long this takes varies from person to person. With one, this can take up to 2 hours and in others 12 hours - some external factors play a role.

The effects of caffeine
The effects of caffeine are usually described as boost, more alert, sharper, better memory and better concentration. How much you notice about these facts differs per person. Someone who drinks coffee on a daily basis will notice less of these effects than someone who hardly drinks coffee.
In the body, caffeine couples to specific receptors (proteins that can give signals). The receptor system adapts over the years, resulting in habituation to caffeine.
Most people who have drunk coffee are better concentrated, perform better and are less tired. However, this is temporary, and caffeine can also have negative effects, such as restlessness, anxiety, sleep problems, and headaches.

The effects of caffeine are noticeable in different parts of the body:

The brain
Once your caffeine gets into the blood, it also ends up in the brain. When caffeine gets into your brain, the hormones release adrenaline and cortisol. These hormones ensure that the rest of the body is brought into an active state, which is also called a stress response. As a result, an 'alert' or 'hunted' feeling can be experienced.
These hormones extract sugars from the liver and muscles, which then enter your bloodstream. This releases the hormone insulin, which tries to restore the sugar balance in the blood. The danger of this is that the hormone insulin is depleted, causing diabetes to develop.

Increased blood pressure
After you have drunk a cup of coffee, the blood passes through your body more quickly. Because of the stress response certain blood vessels narrow, which in turn results in a lower heart rate.
When you consume a lot of caffeine (a lot can vary per person), you can get a feeling of urgency, because the blood passes through your body faster.

Visiting the toilet
Most people have the habit of going to the toilet after drinking coffee for a big message. That is because caffeine has a big influence on all kinds of vessels in the kidneys.
Also, caffeine stimulates the reflexes of the stomach and intestines, creating the gastrocolic reflex.

Vibrate and become restless
If you consume too much caffeine at once or are not used to getting a lot of caffeine, you can start vibrating or hallucinating. These vibrations are in most cases caused by the hormone adrenaline, which affects specific receptors in the muscle fibers.

Caffeine in arabica and robusta coffee beans
One of the differences between arabica and robusta coffee beans is the concentration of caffeine. With robusta coffee beans you generally get 50% more caffeine than with arabica coffee beans.
That is why arabica coffee beans are also seen as the healthier coffee beans. Also because arabica coffee beans contain many antioxidants, which are less present in robusta coffee beans.

What is more caffeine in?
Caffeine occurs in large quantities in coffee and energy drinks. A distinction must be made between caffeine that occurs naturally in food or drink and caffeine that is added by the factories. Without most people knowing, the substance becomes caffeine.

Our findings
We love coffee, but we also love moderation. We, therefore, recommend that you do not drink more than 1 or 2 cups of coffee every day. Your body gets used to the caffeine consumption at a given moment, so it hardly makes sense to drink a lot of coffee.
In addition, it is not healthy when the hormones adrenaline, cortisol and insulin are released too often. If this happens too often, these hormones may become exhausted.
Finally, we recommend choosing coffee beans only for arabica or choosing a home coffee maker with the correct arabica/robusta coffee beans ratio. A home blend can be a combination of different arabica varieties or a combination of arabica or robusta coffee beans. Arabica coffee beans are generally healthier because they contain less caffeine and also contain antioxidants.

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