Effects of excessive consumption of black tea for body health

Black tea is one of the common drinks that has been used for many years due to its medicinal properties. New research shows that the compounds in this plant play an important role in reducing obesity, diabetes, cancer, and heart diseases, but this drink has side effects such as insomnia, breathing problems, and increased heart rate due to its caffeine, and its consumption is for some people. Not recommended

:Diarrhea

Caffeine is the main ingredient in black tea, so if you drink it daily, it can lead to diarrhea because caffeine stimulates the digestive system, so if you drink too much of this tea, it can have a negative effect on your health. . In addition, it has a direct effect on the central nervous system and makes you feel uncomfortable in small incidents. Consuming black tea in large doses can lead to digestive problems, insomnia, varicose veins and heart palpitations

:Constipation

Black tea contains tannins. The presence of this substance helps to store chemical deposits in the body and excessive consumption of black tea can cause constipation in the body of some people because the body begins to store a large amount of waste materials

:stomach discomfort

As mentioned before, black tea contains caffeine, so when these elements enter the stomach, it produces various acidic substances that are not easy for the body to digest. Therefore, the stomach feels uncomfortable. Also, avoid black tea if you have stomach cancer or cancer

:cardiovascular diseases

Consuming black tea is not recommended for patients suffering from heart attacks or cardiovascular diseases because it contains caffeine, and patients suffering from gastritis or stomach ulcers should avoid its consumption due to increased acidity

:Beauty issues

Regular consumption of black tea over time causes discoloration, wear and stains on the teeth; So drink green tea or other teas to prevent this

:Decreased iron absorption

Consuming black tea can cause problems by limiting iron absorption. Drinking tea as much as a cup with food reduces the absorption of non-hemoglobin iron by about 70%, but it should not be dangerous for healthy people, and if you have problems absorbing iron, you can consume tea with a meal

:Drug interactions

If you drink a lot of black tea regularly, you may experience drug poisoning, especially with albuterol, clozapine, and metaproterenol. It can also reduce the effects of drugs such as carbamazepine, valproate, and pentobarbital. Therefore, if you are taking certain medications, be sure to consult your doctor

:Pregnancy problems

Limit caffeine consumption to less than 200 mg per day, depending on its concentration, because some studies show that high caffeine consumption may be associated with decreased fetal weight and a higher risk of miscarriage

:Dizziness

Although dizziness is a side effect of drinking too much caffeinated tea, this symptom is typically associated with high doses of caffeine, especially those greater than 400-500 mg or approximately 6-12 cups (1.4- They drink 2.8 liters of tea

:Headache

Low caffeine intake can help relieve certain types of headaches. However, when taken in excess, the opposite effect occurs and causes frequent headaches

Some research shows that consuming 100 mg of caffeine per day can cause daily headaches, but the exact amount needed varies from person to person. Tea has less caffeine than other types of drinks such as soda and coffee

:Heartburn

The caffeine in black tea can cause heartburn or worsen symptoms of acid reflux. Research shows that caffeine can relax the sphincter, which separates the esophagus from the stomach, allowing the acidic contents of the stomach to flow easily into the esophagus. . Of course, drinking tea does not necessarily cause heartburn, and people react very differently to certain foods

:Increased anxiety, stress and restlessness

Black tea leaves naturally contain caffeine, too much of which can cause feelings of anxiety, stress, and restlessness. An average cup (240 ml) of tea contains about 11 to 61 milligrams of caffeine, depending on the brewing method. has it

:Anemia

Consuming tea, especially immediately after eating, prevents the absorption of iron in food, thus leading to the occurrence of chronic anemia in consumers. Tannin is one of the components of tea that gives it a bitter taste. If it is combined with iron, it causes precipitation. The large and heavy sediment molecules are not absorbed by the body, and for this reason, if tea is consumed immediately after a meal, it prevents the absorption of iron. It also slows blood clotting

:Alzheimer

High consumption of tea, which contains aluminum, can be one of the causes of Alzheimer's disease