Drinking too much of these teas can actually harm your health? Don’t drink too much!

We Chinese people love tea deeply, and brewing and drinking tea has become a daily routine for many people. We all know that tea polyphenols in tea can resist oxidation, repair cell DNA damage, and prevent cancer . It is definitely a good thing for health preservation. But if you drink it wrong, this health tea will turn into "harmful tea" in seconds. Today, let's talk about those teas that you should not drink too much, don't drink it wrong again!

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Strong tea

Strong tea contains a high amount of fluoride, and most of the fluoride in our body must be excreted by the kidneys. If you drink too much strong tea, you will ingest too much fluoride, and the kidneys will be like being burdened. Once the excretion capacity of the kidneys is exceeded, the fluoride will "set up camp" in the kidneys and slowly damage the kidneys.

In addition, strong tea contains a lot of caffeine. If you drink too much, your brain will be like being accelerated, and you will be too excited to stop. It will be difficult to sleep well at night. People with fragile stomachs should be more careful. Strong tea will stimulate the secretion of a large amount of gastric acid. If people with poor stomachs drink it, old problems such as stomach pain and bloating will only become more serious.

How do you judge whether a cup of tea is strong or not? It's very simple. Just look at the tea. If the color is dark and turbid, it is basically strong tea. Then taste it. If the bitterness covers the sweetness of the tea , you should drink it slowly.

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Hot tea

In Chaoshan area, the incidence of esophageal cancer is relatively high, which may be related to the local people's habit of drinking hot tea. Hot drinks above 65℃ are like small "scalding knives", which will burn the mucous membranes of the mouth and esophagus every time you drink them.

If this continues for a long time, the injured mucosa will be repeatedly repaired, and abnormal cells may take the opportunity to proliferate wildly, greatly increasing the risk of cancer. The International Agency for Research on Cancer has classified hot drinks above 65°C as Class 2A carcinogens.

Therefore, do not rush to drink the freshly brewed tea, let it cool down for a while. When drinking, touch it lightly with your lips first, and drink it after it is not hot , so as to protect our esophagus.

"Intestinal cleansing tea"

Be careful of teas that claim to cleanse the intestines or relieve constipation. Many teas that claim to cleanse the intestines or relieve constipation may help you lose weight and relieve bloating, but they actually have a hidden purpose. Most of them contain irritating laxatives such as rhubarb and senna, which have a strong laxative effect.

If you drink it for a long time, the intestinal nerves will gradually stop working, the normal contraction and peristalsis of the intestine will be suppressed, and you will become more and more "lazy", and finally you will become dependent on these laxatives. Once you stop drinking it, constipation will become worse, and the gain will not outweigh the loss. So, don't buy "intestinal cleansing tea" and drink it casually. If you really have constipation problems, it is best to ask a doctor and take medicine under professional guidance.

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Expired tea leaves

Tea is not like wine, which becomes more fragrant and valuable as it ages. If it is left for a long time or stored improperly, tea can easily go moldy and spoil, grow mold, and produce toxins, such as aflatoxin, a first-class carcinogen, which can specifically "attack" our liver and cause great harm.

When you buy tea, be sure to carefully check the production date and shelf life; when storing tea, find a dry, ventilated and dark place to "store" it properly. If you find that the tea has a strange smell or the color is not right, even if it is only a little bit expired, don't be reluctant to throw it away immediately , your health is much more important than that little tea.