In our daily life, we will open the tap first to wash up each morning, but many people have neglected an important thing, that is, overnight water in the faucet. The overnight water in the faucet is best not to wash it directly, even if it is boiled and used to drink it is not enough! The normal situation should be to open the tap in the morning, put the water for about 1 minute before use, and put out the water to wash the toilet, watering the flowers, scrubbing the ground and so on. So why can't the faucet's overnight water be used directly?
1. Faucet overnight water may harbor Legionella that causes pneumonia
Legionella pneumonia is the most serious form of atypical pneumonia, with a mortality rate as high as 45%. According to studies, Legionella can be isolated from lakes, hotels, hospitals, and home water pipes. Therefore, Legionella is most likely to be present overnight in tap water, and people who are directly exposed to overnight water are prone to Legionella pneumonia. .
2, long-term drinking tap water inside the pipe may lead to lead poisoning
The water in the water pipe reacts with the metal of the faucet or the water pipe to form metal-contaminated water, and microorganisms in the tap water will produce harmful substances after one night of breeding. If the faucet used is a poor-quality faucet, then It is more likely to cause excessive levels of lead in the water.
It is well-known that excess lead enters the human body and destroys the brain's nerve tissue, causing an insufficient supply of oxygen, causing damage to the brain tissue, leading to symptoms such as anemia, headache, and sleeplessness. What's more, entering children or pregnant women can cause irreparable damage to underage children, including developmental delays, deformities, and premature delivery of babies.
Therefore, when we use the faucet every day, it is best to open the faucet for 1 minute to clean the overnight water, and to use buckets of overnight water to avoid wasting resources.
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