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Lao Lin is a lively and cheerful postman, 62 years old this year, and his body has always been tough, but he has a habit - he often uses the same thermos cup to make tea.
He thought it was environmentally friendly and trouble-free, but he didn't expect this little habit to cause him big trouble.
"I'll tell you, this thermos cup can't be soaked in anything!" Doctor Li said to Lao Lin, holding the thermos cup that was already a little old.
Lao Lin thought that making tea in a thermos cup was a very ordinary thing, but he didn't know that there were hidden health risks behind it.
Lao Lin's thermos cup was bought casually by him at a stall, and he didn't notice the material problem.
It turned out that his thermos cup was made of low-quality stainless steel, a material that is prone to releasing heavy metal ions, such as nickel and chromium, in a high-temperature environment.
Long-term absorption of these heavy metals can cause chronic damage to the body, and in severe cases, it may even lead to cancer.
"Doctor, I've been using this cup for years, why did I suddenly get cancer?" Lao Lin looked a little puzzled, and at the same time very anxious.
Dr. Li patiently explained: "Lao Lin, you usually like to use this cup to make green tea, right? If you drink such tea for a long time, the accumulation of these metals to a certain extent may affect your health. ”
Not only that, the doctor also reminded Lao Lin that he had not noticed that there were scratches on the inside of the thermos cup before, and these subtle damage places are more likely to hide dirt and dirt, and if they are not cleaned for a long time, bacteria and mold will breed, and the metabolites of these microorganisms may also be harmful to the human body.
Lao Lin felt very regretful, if he knew this, he would not be greedy for cheap to buy that kind of inferior thermos cup. He still remembers that the vendor said in a nonchalant tone: "This cup can withstand hot water or anything!" ”
Dr. Lee pointed out that even high-quality thermos cups need to be used with care. First of all, it is necessary to replace the thermos cup regularly, especially if the inside of the cup body is observed to be worn or discolored.
Secondly, it is not recommended to store acidic or alkaline liquids in the thermos cup for a long time, as this may also accelerate the corrosion of the material.
Dr. Li also specifically mentioned that Lao Lin's situation is actually not uncommon in society. For the sake of convenience, many people ignore the safety of daily necessities, which may have irreversible effects on health.
Lao Lin's condition caught the attention of his family, who began to ask carefully about how to choose and use daily necessities in daily life to avoid similar health risks.
"I always feel that there are too many types on the market, and I don't know how to choose. Can you give some advice? Lao Lin's daughter asked worriedly.
Dr. Li replied: "When choosing a thermos cup, you should choose food-grade stainless steel or medical-grade materials, which are more stable in high-temperature environments and will not easily release harmful substances.
In addition, it should be noted that the inner tank of the thermos cup should be smooth and uncoated, so that it is easier to clean and will not contaminate the drink due to peeling of the coating. ”
Lao Lin really had a long memory this time, and began to wonder what pits were still hidden in daily necessities. You know what? He found that BPA (that is, bisphenol A) in plastic things is also quite annoying.
Especially in plastic boxes, when you encounter high temperature or heavy acid-base things for a long time, you may get some bad chemicals. Therefore, for commonly used kettles, cutlery, etc., it is equally important to choose safe materials.
In the doctor's further explanation, Lao Lin learned that although many products on the market are advertised as "non-toxic and harmless", they may still have risks after long-term use.
For example, some thermos cups claim to be able to keep warm for a long time, but if the inner material is unqualified, although the insulation effect is good, its potential safety hazards may quietly increase.
Many neighbors have also begun to pay attention to the health of daily necessities, and everyone has begun to carefully select the products they use, trying to find the safest way to live.
Eventually, this unfortunate experience turned into a community-level health enlightenment. Lao Lin and his family have learned a lot from it, and they are happy to share this knowledge with more people, hoping to attract wider attention.
Under Dr. Li's repeated reminders, Lao Lin's living habits have changed a lot. Not only did he replace the thermos, but he also started regularly checking all his eating and drinking utensils to make sure everything met health standards.
What do you think about making tea in a thermos cup? Welcome to discuss in the comment area!