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"Lao Li, what are you staring at the water dispenser in a daze again?" Aunt Zhang shook her head and looked at her colleague Li Yong in the office, who was staring at the hot water button of the water dispenser and thinking about something.
Li Yong is an ordinary accountant, and in addition to facing the computer numbers every day, he is processing various reimbursement documents. But there's one thing he's been particularly concerned about lately – health. In particular, the health and safety of drinking water has become his new interest.
"Do you know?" said Li Yong seriously, "if the hot water from the water dispenser is boiled repeatedly, harmful substances may be formed. I read an article that says it's easy to get sick if you drink too much. Aunt Zhang didn't take it too seriously: "We've been drinking this water for several years, and we haven't seen anyone have any major problems because of this water." ”
But Li Yong doesn't think so, and he decides to dig deeper to make sure he and his colleagues can drink healthy and safe water. Li Yong found some unexpected information. First of all, repeatedly boiling water does lead to an increase in the concentration of minerals in the water, especially fluorine and nitrates.
These substances, ingested in high concentrations, can indeed pose a threat to human health, increasing the risk of calcining diseases and thyroid diseases. The amount of dissolved oxygen in water that is heated repeatedly decreases, making the water taste worse.
What's more, Li Yong also found that drinking repeatedly boiled water for a long time can stress the body's antioxidant defense system, which may affect the body's ability to fight disease.
Determined to share this finding, Li Yong gave a presentation at the next office meeting. He elaborated on the potential hazards of repeatedly boiling water and made three suggestions: first, use fresh water that is boiled once, second, invest in some high-end water dispensers that can directly filter and heat the water at home and office, and third, check and clean the water dispenser regularly to avoid the accumulation of limescale and bacteria.
Colleagues reacted to Li Yong's findings, with some beginning to pay attention to the quality of the water, while others remained unimpressed. But Mr. Li's efforts have at least kept the issue of healthy drinking water on the agenda in his office. After a few weeks, after collecting more data and case studies, Li Yong began to give public lectures in the community and online to educate about water quality and health.
Li Yong's efforts gradually caused a stir in the small community, and more and more residents began to pay attention to the topic of drinking water safety. He went on to dig deeper and found that in addition to the problem of water quality in drinking fountains, there is another important factor that affects health – that is, the conditions in which water is stored. He learned that water quality is not only related to whether it is boiled repeatedly, but also closely related to the material of the container in which it is stored.
Li Yong found that some plastic containers may release harmful substances under high temperature conditions, and these substances have been shown to be potential health risks to humans.
"Some of the plastic cups or low-quality water dispenser tanks that people commonly use may release trace amounts of chemicals when exposed to high temperatures, which have been linked to a variety of health problems, including endocrine disruption and certain types of cancer," he explained to the community. ”
To convey this more effectively, Li Yong held a small exhibition at the community center, showing the results of chemical tests on water containers made of different materials after repeated heating. He stresses the importance of choosing the right water container and recommends using glass or stainless steel containers as a safer option.
His research and efforts have been recognized by community health promotion organizations, who are beginning to plan to expand this health education program to a wider region.
During a health seminar, a resident asked, "Mr. Li, it's safer to use glass and stainless steel containers, but what should I do if the water dispensers in my home are plastic?
"There may be costs involved in completely replacing the equipment, but you can start with simple steps," says Li. For example, try not to store hot water in the water dispenser for long periods of time, turn it off when you use it, and avoid prolonged contact with plastic in high temperatures. ”
"In addition, you can buy some stainless steel or glass water bottles to store boiling water, so that even if you use a plastic water dispenser, the water quality can be guaranteed to be safe. Li's answer was both practical and concrete, helping residents make healthier choices without adding too much financial burden.
What do you think about boiling water repeatedly? Welcome to discuss it in the comment area!