Does overnight water cause cancer

March 20, 2023
There has always been a popular rumor: you can't drink overnight water, otherwise it will cause cancer. But is it really the same as imagined? Let's find out!

Contains nitrite

Many rumors say that overnight water contains carcinogenic substances nitrite, drink into the body will lead to diarrhea, but according to the study found that carcinogenic substances only on the basis of containing nitrates will be produced, ordinary tap water or mineral water simply does not have such conditions.

Overnight water is not carcinogenic

The rumor that overnight water is carcinogenic is becoming more and more widespread. Whether overnight water can be drunk depends on whether it is placed in an unclean place or not, and it has nothing to do with whether it is overnight or not. If it is placed in a dusty place for a while, you can't drink it even if it is not overnight. If you are still worried about overnight water in a night placed in the bacteria, then remember to add a lid on top of the glass of water before going to bed, so you can isolate the air pollutants contaminate the water.
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