Boiled water can not be repeatedly boiled, will produce nitrites, is carcinogenic, so for your health, do not repeatedly boil water. But boiling water at a fixed temperature and not let it boil can be.

New Health Knowledge Never Drink Repeatedly Boiled Water

In fact, most people may have **** the same experience, when you are in the process of cooking noodles or soup, wait until almost ready to cook, only to find that the soup is too little, or the soup is too salty, it will be hot water poured into it, in order to achieve the full amount of water or to dilute the salty taste of the soup.

Secondly, when brewing milk or noodles, you directly take the warm water in the hot water bottle and boil it again, and then brew it again. This may seem like a cost-effective way to save time on boiling, while also saving on gas and water.

But according to experimental evidence, if the water is repeatedly boiled, the nitrate in the water will be converted into nitrite, and nitrite will cause the hemoglobin in the human body to become nitrite-based hemoglobin, which will cause the red blood cells to lose their ability to carry oxygen.

So if you drink water that is repeatedly boiled, you may experience a lack of oxygen in your tissues, shortness of breath, tightness in your chest, purple lips and fingernails, and a tendency to get sleepy. If more serious, "nitrite" into the body, after the role of stomach acid, is likely to be converted into carcinogenic substances "nitrosamines".

With this in mind, it is important to remember that when you drink water that has been repeatedly boiled, it will have a negative impact on your health. For the sake of your health, don't be too frugal or lazy.