Water is the basic substance that the body needs most, and it should be taken in large quantities every day, which has many effects on the body, such as providing nutrition, helping transportation and promoting metabolism. Because of its importance, there are relatively many remarks about "drinking water".

Can I drink water for the night?

It is said that water cannot be drunk overnight, mainly because of "nitrite". Some people say that water stored overnight will breed more nitrite. The increase of these substances will bring a burden to the body and even cause cancer.

For water, when the water boils for 30 minutes, the content of nitrite will remain stable, and even after a day, its value will not change much.

As long as the overnight water is stored scientifically, it can be drunk on the basis of hygiene and safety, and the same is true for warm boiled water stored for seven or eight hours.

"Overnight tea" is said more. Although the color of tea leaves will darken after being left for a period of time, the nitrite content in them is indeed about 2 times higher than that of freshly brewed tea, but you don't have to worry, because the nitrite standard of drinking water in China is 1mg/L, and the nitrite content of overnight tea is only 0.25 1mg/L, which is a safe drink.

Oxygen-enriched water is healthier?

Speaking of "oxygen-rich water", it should be a term you often hear. It is said that people need oxygen most, and every breath provides oxygen for the body, but the effect of oxygen-rich water on the body will not be great, because a bottle of oxygen-rich water will not contain too much oxygen at all, not as much as the oxygen you breathe several times.

Drinking alkaline water is healthier?

Not long ago.