Whether male or female, young or old, everyone enjoys leisurely steeping a pot of tea on weekends to enjoy the holiday relaxation. However, not everyone is suitable for drinking tea for health preservation. Let's take a look at which conditions require us to stay away from tea.
1. Avoid drinking tea when you have a fever
The caffeine in tea not only raises the body's temperature but also reduces the effectiveness of medication.
2. People with liver disease should avoid drinking tea
Most substances in tea, such as caffeine, are metabolized by the liver. If the liver is diseased, drinking too much tea can exceed its metabolic capacity and damage liver tissue.
3. People with neurasthenia should be cautious when drinking tea
The caffeine in tea has a stimulating effect on the central nervous system. People with neurasthenia who drink strong tea, especially in the afternoon and evening, may experience insomnia and worsen their condition. They can drink tea once in the morning and once in the afternoon. In the morning, you might drink scented tea, and in the afternoon, green tea, but not at night. This way, the patient can feel invigorated during the day and calm at night, helping them fall asleep earlier.
4. Pregnant women should avoid drinking tea, especially strong tea
Tea contains a large amount of tea polyphenols, caffeine, and other substances that can be detrimental to the development of the fetus in the womb. To ensure the normal intellectual development of the fetus and avoid excessive stimulation from caffeine, pregnant women should drink little to no tea.
5. Women who are breastfeeding should not drink strong tea
Drinking strong tea during breastfeeding can lead to excessive caffeine entering the breast milk. When the infant ingests this milk, it can indirectly cause stimulation, leading to less sleep and more crying.
6. Patients with ulcers should be cautious when drinking tea
Tea is a stimulant for gastric acid secretion. Drinking tea can increase the amount of gastric acid secreted, increasing irritation to the ulcer surface. Regular consumption of strong tea can worsen the condition. However, for mild cases, some weak tea can be consumed 2 hours after taking medication. Sweetened black tea or milk tea can help reduce inflammation and protect the gastric mucosa, and also have a certain effect on ulcers. Drinking tea can also block the synthesis of nitrosamines in the body, preventing precancerous mutations.
7. People with malnutrition should avoid drinking tea
Tea has the function of breaking down fat. For people who are malnourished, drinking tea to break down fat will worsen their nutritional status.
8. Be cautious when drinking tea when drunk
Tea has a stimulating effect on the central nervous system. Drinking strong tea after being drunk can加重 the burden on the heart.
Drinking tea also has a diuretic effect, which can cause toxic aldehydes in the alcohol to be excreted by the kidneys before they are broken down, which is highly irritating to the kidneys and harmful to health. Therefore, people with heart or kidney disease or poor function should not drink tea, especially not large amounts of strong tea. For healthy people, they can drink a small amount of strong tea. After sobering up, they can consume large amounts of fruit or take small sips of vinegar to speed up the body's metabolism and alleviate drunkenness.
9. Be cautious when taking medicine with tea water
There are many types of drugs with different properties, so whether tea water can be used to take medicine cannot be generalized.
The tannins and theophylline in tea can undergo chemical changes with certain drugs. Therefore, when taking sedatives, hypnotics, iron-containing supplements, enzyme preparations, and protein-containing drugs, it is not advisable to take them with tea water, as tea polyphenols can easily react with iron agents to form precipitates, which may affect the drug's efficacy.
Some Chinese herbal medicines, such as ephedra, uncaria, and coptis, should also not be mixed with tea water. It is generally believed that tea should not be consumed within 2 hours after taking medication.
However, when taking certain types of vitamins, tea water has no effect on the drug's efficacy. This is because the tea polyphenols in tea can promote the accumulation and absorption of vitamin C in the human body. At the same time, tea itself contains various vitamins and has effects such as stimulation, diuresis, lowering blood lipids, and lowering blood sugar, which can be beneficial to the human body by enhancing the drug's effect and aiding recovery. Additionally, there is some truth to the common folk belief that one should not drink tea when taking tonics like ginseng and deer antler.
10. Anemia patients should avoid drinking tea
The tannic acid in tea can combine with iron to form insoluble complexes, preventing the body from getting enough iron. Therefore, patients with anemia should not drink tea.