Giving up coffee: This is what happens in your body.

Many people start their day with a cup of coffee. Anyone who wants or needs to give up caffeine in the future should know what effects this can have on the body. We will reveal six possible changes.

Coffee is an integral part of daily life for many people. The aromatic beverage is not only a stimulant but is also considered beneficial to health. Studies show that regularly drinking up to four cups a day can reduce the risk of cardiovascular disease and protect the liver. Furthermore, caffeine stimulates metabolism and can support fat burning, which is why coffee is often recommended as a weight-loss aid.

However, not everyone can tolerate the popular hot beverage. People with high blood pressure or stomach problems should limit their consumption, and some prefer to avoid caffeine consciously. Those who do so usually notice the change after just a few days, and in different ways.

1. When digestion suddenly slows down

Coffee stimulates the gastrointestinal tract and has a mild laxative effect. If it is suddenly stopped, digestion can become sluggish, leading to constipation. The body needs time to adjust to the new routine.

Tip: A large glass of lukewarm water right after getting up can also stimulate digestion. Exercise, fiber, and a regular drinking schedule also help to get your metabolism going again.

2. Concentration in the low

A cup of coffee provides around 85 milligrams of caffeine. That is enough to increase alertness and improve reaction time. Without this boost, the brain initially lacks its usual drive.

Researchers at Cardiff University in Wales and University College Cork, however, discovered that concentration problems can be compensated for in other ways. Even chewing gum can temporarily boost mental performance by stimulating blood flow to the brain.

3. Headaches as a withdrawal symptom

One of the most common side effects of caffeine withdrawal is headaches. These occur because the blood vessels in the brain dilate again after having been constricted for a long time by caffeine.

According to experts, the symptoms often appear 12 to 24 hours after the last coffee and can last for several days. Drinking plenty of water, getting enough sleep, and exercising in the fresh air help to alleviate the symptoms.

4. Better sleep and more peaceful nights

Caffeine blocks adenosine, a neurotransmitter that signals tiredness. Therefore, those who drink coffee late in the day risk having trouble falling asleep.

A study published in the Journal of Clinical Sleep Medicine shows that people who abstain from coffee for at least six hours before bedtime sleep significantly better. Those who regularly suffer from sleep disturbances can therefore support their natural sleep rhythm with a caffeine-free period.

5. Less inner restlessness and anxiety

Caffeine has a stimulating effect, and sometimes it is too strong. A study from the University of Chicago found that people who consumed more than 450 milligrams of caffeine daily reported experiencing anxiety more frequently.

Consciously abstaining from coffee can therefore not only protect your nerves but also lower your overall stress level. Many people report a more balanced mood and greater inner peace after just a few weeks without coffee.

6. Healthier smiles thanks to coffee breaks

Coffee contains acids and pigments that can attack tooth enamel and cause discoloration—those who want to protect their teeth in the long term benefit from taking a break from coffee.

Besides whiter teeth, breath also improves, as coffee residue in the mouth often causes unpleasant odors. Regular brushing, drinking plenty of water, and chewing sugar-free gum can further improve oral hygiene.

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