The lowest level of awareness of bad habits was found in the “bad drinking habits” among the working population.

Drinking water is a trivial matter in daily life, but because it is trivial, many people do not pay attention to it and the awareness is generally low. Most people still have all kinds of doubts about drinking water, and it’s not easy to understand.

This article gives you a compilation of 15 questions about drinking water, a one-time “drink” to understand.

1、Drink too much water will not be “poisoned”?

Normal will not

For people who do not like to drink water, every day to be nagged to “drink more water”; and for people who especially love to drink water, every day to worry about whether they will be “poisoned”. How much water is appropriate to drink?

In fact, enough is good, there is no need to drink too much. According to the recommendations of the “Dietary Guidelines for Chinese Residents”, men and women should drink enough water to 1700 ml and 1500 ml per day respectively. Many people in life do not drink enough of this amount, and for those who are particularly fond of drinking water, they often exceed this amount.

In general, as long as the kidney function is normal, there is no liver disease and congestive heart failure and other symptoms of the healthy people, rarely will appear “water intoxication”. [1] So don’t worry, if you drink a lot, you will naturally urinate a lot.

One thing to note: avoid drinking large amounts of water in a short period of time to avoid hyponatraemia and electrolyte disorders. It is best to go in stages, such as drinking a glass of water every half hour.

2、Is it reasonable to wait until you are thirsty to drink water?

No.

Many people are accustomed to wait until the time of thirst to drink water, this can not be, because when you can already feel thirsty and urinate less, that the amount of water loss has reached 2% of body weight, the body is also to the state of water shortage.

Therefore, do not wait for thirst and then drink water, usually drink water should also pay attention to small sips of slow drink, do not “cattle drink”.

3、Can’t you drink overnight water?

Yes, you can.

There are rumours that drinking overnight water will cause cancer. The reason is that it contains nitrites, after drinking in the body to further produce nitrosamines, which in turn increases the risk of cancer. But in fact: both the thousand rolls of water or overnight water, are safe to drink.

Some people have done related experiments: tap water after repeated boiling 8 times, the nitrite content of only 3.38μg / L. and the “GB5749-2006 drinking water health standards” in the provisions of the quality of drinking water in the nitrite content of drinking water for ≤ 1000μg / L is still far away, there is no need to worry.

So as long as the tap water itself is qualified, you can drink with confidence.

4、Does drinking water after meals affect digestion?

Not really.

Some people think that drinking water after meals will dilute stomach acid, affecting the digestion of food. In fact, it does not, stomach acid is not so easy to be diluted. For example, there is an article in a foreign source that says: drinking water before and after meals and drinking water during meals will not affect digestion, but will help to improve digestion.

In addition, there are also some studies mentioning that if we consider purely from the biochemical point of view, it takes nearly 2 litres of water to make changes in the gastric juices, so no one would drink so much water all at once after a meal, right?

Drinking water after a meal is fine, but don’t overdo it!

5、A glass of light salt water in the morning is good for your health?

Drink with caution

According to “China’s residents nutrition and chronic disease status report (2020)”, although China’s residents salt intake from 9.3 grams in 2015 fell by 1.2 grams, but still more than <6 grams of the recommended amount of salt control still need to work!

A cup of lightly salted water usually requires about 2g of salt, which is equivalent to the amount of salt used in a meal. Especially for people who are suffering from high blood pressure, heart disease and abnormal kidney function, it is not recommended to drink Oh!

6、Honey water is very nutritious?

Not really.

Many people think that honey is very nutritious, in fact, 75.6% of the composition of honey is sugar (including glucose and fructose, etc.), and 22% of the water, fat and protein content accounted for 2.3%, vitamins, minerals and other components of the even less than 0.1%.

And soak honey water is generally used 1 small spoon, nutrition is minimal, not only little health effects, often drink may also become fat!

7、Soda for stomach problems?

Can relieve, but not cure

For the excessive secretion of gastric acid and the resulting stomach upset symptoms, drinking soda at the time may play a role in some relief. But even if you drink soda for a long time, can not play the effect of gastric disease, gastric disease or to follow the doctor’s instructions for treatment.

8、Drinking hot water can lose weight?

Not really.

To increase the metabolism of the premise is the need to raise body temperature, and human body temperature is constant, so drinking hot water does not increase metabolism. However, the results of a human experiment showed that: whether it is to drink room temperature distilled water or saline can not increase metabolism, but drink 3 ° C ice water can increase metabolism by 4.5%, and can last 60 minutes.

However, just a 4.5 per cent increase in metabolism has a minimal effect on weight loss, so don’t count on it.

9、Can you still drink expired bottled water?

No.

Many people think that water should not be afraid of expiration, and will not deteriorate. In fact, water also has a shelf life, bottled water is generally 12 months. Although water itself is a very stable substance, but the packaging container can not be preserved forever.

Bottled water packaging materials are generally polyethylene terephthalate (PET), itself is not toxic, but after a long period of exposure to sunlight or preservation of high temperatures, time will produce acetaldehyde, but also contaminate the water.

Therefore, do not keep the bottled water for too long and drink it as soon as possible.

10、Pure water is not nutritious, to drink mineral water?

No need to be entangled

Even if it is mineral water, the trace elements are not much, the main purpose of drinking water is to replenish water, rather than replenish trace elements. To supplement the trace elements, or more effort through a balanced diet intake it!

11、Drinking water will also fat people?

No, it won’t.

The premise of getting fat is to consume too many calories, resulting in fat accumulation. And water does not have calories, whether it is hot water, cold water, warm water, their calories are 0.

Therefore, even if you drink more water is not fat, unless you drink “sugar water”.

12、How many degrees of water is more suitable for drinking?

No more than 40 degrees Celsius

When drinking water, the water will pass through our oesophagus, the oesophageal mucosa is a very delicate part of the temperature is not sensitive, even if you drink hot water was scalded, but also not much feeling. For the oesophagus, the most suitable temperature is 10~40℃.

And often drink too hot water will increase the risk of oesophageal cancer, the World Health Organization (WHO) under the International Agency for Research on Cancer (IARC) has more than 65 ° C hot beverages included in the list of 2A carcinogens, meaning that people may be carcinogenic.

13、Will drinking water before going to bed cause oedema?

No, it won’t.

Drinking water before going to bed does not cause oedema in healthy people who do not have diseases of the liver, kidney, thyroid, heart or cancer.

However, if the diet is too salty, it may! This is because a high sodium intake leads to water retention in the body, so you look a little “bloated”.

Tip: Don’t drink too much water before going to bed, it’s easy to be woken up by urine.

14、Is there a best time to drink water?

There isn’t.

Many people may have seen on the Internet, “the best time to drink water” and other pictures, but also said that according to this drink can be “detoxification”.

First of all, “detoxification” is a pseudo-concept, the body does not have so much “poison” need to be detoxified, the body has the ability to self-metabolism. In addition, you can give yourself the time to drink water to assist in increasing the amount of water, but do not need to strictly require the time to drink, there is no time to drink water “best” argument.

15、Often drink limescale water, easy to get stones?

Not really.

Some people’s homes will appear limescale boil water, this is because the water quality is “hard”, meaning that the water inside the calcium and magnesium and other minerals in high content, when boiling water will be in the kettle at the bottom and the wall of the formation of limescale.

Drinking this kind of water often will not get stones and will not endanger your health. To prevent stones, what should be prevented is calcium oxalate, not calcium carbonate, magnesium carbonate, etc. in limescale.

Tips for removing limescale: try vinegar or baking soda.

Summary:

Bottom line, remember to drink plenty of water!