It can disrupt your heartbeat rhythm.

The stimulating effects of large amounts of caffeine consumption can cause your heart rate to increase. While this effect is seen in some individuals even at very low doses, it does not cause any change in the heart rhythm in some individuals if it is consumed in high doses. Therefore, if you notice any changes in your heart rate or rhythm after drinking caffeinated beverages, you should reduce your caffeine intake.

It can increase blood pressure.

Excessive consumption of caffeine can increase blood pressure due to its stimulating effect on the nervous system. Increased blood pressure can damage the arteries over time and restrict the flow of blood to the heart and brain; Therefore, it is a risk factor for heart attack and stroke. It is of great importance to pay attention to the caffeine dosage due to this effect, especially in individuals who are not accustomed to caffeine consumption or who already have high blood pressure.

It can increase your anxiety.

Caffeine works by blocking the effects of adenosine, a brain chemical that causes fatigue. It also triggers the release of the hormone adrenaline, which is associated with increased energy. When taken in excessive doses, these effects may become more pronounced, leading to anxiety and irritability.

It can cause insomnia.

One of the most important properties of caffeine is its ability to help you stay awake. However, studies show that high amounts of caffeine increase the time to fall asleep. Since the effects of caffeine may take several hours to pass, caffeine consumed later in the day can adversely affect sleep quality. It shows that while caffeine stays in the body for an average of 5 hours, the duration can vary from 1.5 hours to 9 hours depending on the person.

It can cause digestive problems.

Caffeine stimulates bowel movements by increasing peristalsis, which are contractions that move food through the digestive system. Therefore, when consumed in large quantities, it can cause diarrhea. At the same time, caffeinated beverages can increase the symptoms of gastroesophageal reflux disease when consumed in excess by causing the muscles that prevent stomach contents from going to the throat to relax.

It can cause addiction.

Caffeine can trigger certain brain chemicals, as cocaine and amphetamines do, so can cause withdrawal symptoms when left when consumed in excess for extended periods.

In a 2012 study of 213 caffeine consumers, participants filled out a questionnaire after being caffeine-free for 16 hours and found that those who consumed caffeine every day experienced greater increases in headache, fatigue, and other withdrawal symptoms than those who did not consume it every day.

How much tea and coffee should we consume a day?

The recommended amount of caffeine per day is 400 mg for healthy adults; 300 mg during puberty; 2.5 mg per kilogram for children; It is 200 mg during pregnancy and lactation.

1 cup of Turkish coffee (65-75 ml) 65 mg, 1 cup of black tea (150 ml) 40-55 mg, 1 cup of green tea (150 ml) 25-45 mg, 1 cup of filter coffee (180-200 ml) 120 Contains 170 mg of caffeine.




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