1, how to drink water more healthily
"Problem Water" Archives in Life
Case 1: improper drinking water forms a "water-deficient family"
Who is the most likely family to be short of water? According to the survey of health institutions, OL people who often hold high the banner of "replenishing water" are at the top of the water shortage list.
Think about getting to the office every morning. The first action is to turn on the computer, and then sit down and stare at the screen. I forgot to drink water for hours. Sometimes I am too busy to drink two glasses of water a day. Some girls just want tea, coffee, fruit juice and carbohydrate drinks, which are often too hot and sugary to be used as the main source of water. More girls who pursue fashion or fitness are willing to be led by business advertisements. Pure water today, electrolyzed water tomorrow, and oxygen-enriched water the day after tomorrow, whether these waters are really good for the body or not.
Expert decryption:
-Drinking pure water for a long time will reduce the body's immunity.
Space water and ultrapure water are essentially pure water. Pure water is water that can be directly drunk after removing most heavy metals, trihalomethane, organic matter, radioactive substances and microorganisms. Although the water quality is pure, the molecular chain of water is very large, reaching the length of 14 ~ 17 water molecules, which is very unfavorable for human absorption. And drinking pure water for a long time will increase the loss of calcium. It is ok to drink small bottles (about 600 ml) of pure water occasionally in life, but it is not suitable for long-term drinking as domestic bottled water. Not suitable for the elderly, especially those with cardiovascular disease and diabetes, children and pregnant women.
Water with high mineral content is not always good.
Generally speaking, mineral water is rich in minerals and trace elements needed by human body, which is not only pure, but also conducive to maintaining acid-base balance and promoting metabolism. However, the mineral content in mineral water is not very stable. If some mineral content exceeds the standard, it will cause harm to human body, so we must choose mineral water with up-to-standard content.
-Water with equal osmotic pressure may not be easily absorbed.
Is it really easier to absorb isobaric water with osmotic pressure equal to human body fluids? To make water with equal osmotic pressure, electrolytes such as sodium, potassium or sugar are mostly added to pure water (drinks with high osmotic pressure are not easy to quench thirst), which is not more beneficial to modern people who have easily absorbed polysaccharide salts in their daily diet than boiled water.
-"Mineral water" to lose weight is unfounded.
Now there is an imported mineral water on the market, which is characterized by containing a lot of calcium and magnesium. It emphasizes that drinking a large bottle of calcium can be equivalent to three bottles of milk, and there is no calorie burden, which can keep fit and even help to lose weight. It sounds very attractive. But what is the essence? Drinking water can help you lose weight. Even if you drink ordinary boiled water, you can reduce eating (intake of calories) by increasing satiety, so as to achieve the purpose of losing weight. Although the body needs to use minerals for normal metabolism, there is no research evidence that how many minerals can be ingested to achieve weight loss.
File 1: Five "problem waters" float black on the Internet.
I tried to search for "water" with a search engine, and the information pages of Google and Baidu are all "problem water"-"stagnant water", "boiled water", "boiler water", "raw water" and "secondary water". These five kinds of "problem water" are said to induce poisoning and lead to various pathological changes. I don't know if you have noticed them in your life.
"stagnant water": for minors, this kind of water will obviously slow down cell metabolism and affect the growth and development of the body; For middle-aged and elderly people, it will accelerate aging and induce esophageal cancer and gastric cancer.
"Thousands of boiling water": it will interfere with people's gastrointestinal function, leading to temporary diarrhea, abdominal distension, hypoxia, and even coma, convulsions and even death.
"Boiled water": it is easy to cause poisoning, and in severe cases, it will also cause pathological changes in the digestive, nervous, urinary and hematopoietic systems, and even lead to premature aging.
"Raw water": it will increase the risk of bladder cancer and rectal cancer.
"Secondary water supply": it will cause nitrite poisoning.
Expert decryption:
-About "stagnant water"
"Dead water" is water that has been stored for a long time. Water is easy to "age" and "die" because it does not flow or is exposed to the air for a long time. Its biggest feature is low activity and high association, which is not conducive to human metabolism. The content of nitrite in fresh water extracted from deep wells is only 0.0 17 mg per liter, but it will rise to 0.9 14 after being stored at room temperature for three days. In water without nitrite, the nitrite content increased to 0.0 1 mg/L after storage at room temperature for1day, and increased to 0.72 mg after 20 days. Nitrite can be converted into carcinogen nitrosamine, and it will increase with the increase of storage time.
-About "Thousands of Boiling Water"
"Thousands of boiling water" is water boiled on the stove for a night or a long time, and the water repeatedly boiled by electric water heaters is one of them. Because this kind of water is boiled for too long, the contents of harmful heavy metals and nitrite in the water will increase greatly.
-About "boiler water"
Although we don't drink the water left over from steamed food, even if we use this boiled water many times, it will have a great impact on our health. High concentration of nitrite attached to utensils or food can also cause poisoning, pathological changes or premature aging.
-About "raw water"
Some people are used to drinking tap water. Chlorinated water can separate 13 kinds of harmful substances, among which halogenated hydrocarbons and chloroform also have carcinogenic and teratogenic effects, and the possibility of bladder cancer and rectal cancer will increase by 2 1% ~ 38%.
-About "the second water crossing"
Some people are used to boiling the remaining warm water in a thermos bottle before drinking it, thinking that it saves water, time and gas. But the potential danger of this "saving" is very great, because repeated heating and evaporation of water will lead to an increase in nitrite content, and when nitrite accumulates to a certain extent in the body, it will cause poisoning.
Part II: What water can I drink for beauty?
Only three standards of water can keep us young and healthy: the hardness of water is170 mg/l; TDS content is about 300mg/L; The PH value is slightly alkaline (7.5 ~ 8.0).
Youth Water No.65438 +0: 30℃ boiled water
From a health point of view, boiled water is the best drink, which contains no calories and can be directly absorbed and utilized by the human body without digestion. It is best to boil for 3 minutes, naturally cool and let stand for no more than 6 hours. It will not excessively stimulate gastrointestinal peristalsis and vasoconstriction, and can also quench thirst.
Qingchunshui No.2: light salt water
After sweating a lot, the human body will lose a lot of salt. At this time, light salt water is the best drink to quench thirst and replenish physical strength. If you drink boiled water or other non-salty drinks, the water entering the body is not only difficult to stay in tissues and cells, but also more likely to be excreted with sweat or urine. As a result, the more you drink, the more thirsty you are, which may cause hyponatremia symptoms such as palpitation and fatigue.
Youth water third place: magnetized water
Methods to improve water activity include magnetization, ultrasonic wave and heating, among which magnetization is the most effective.
After pollutants enter the water body, it will not only pollute the water body, but also change the ordered state of water clusters into disordered state, resulting in the loss of vitality of the water body and becoming problem water-"stagnant water". Magnetization can not only make the molecular cluster of water smaller, but also supplement the magnetism of water, so as to prevent and treat diseases such as cerebrovascular and urinary system caused by insufficient magnetism, and at the same time, it can adjust the vibration frequency of water molecules to make them the same or similar to the structure of water in human body, so that we can
Youth Water No.4: Deep in the Ocean
"Deep ocean water" has been developed and utilized in Japan for nearly 65,438+00 years, and it is the most promising beauty drink. This kind of water is taken from the seabed more than 2000 meters deep, clean (because there is less pollution in the deep sea) and rich in various minerals. It can also be used in medical cosmetology to improve skin metabolism and treat atopic dermatitis and other skin problems.
Qingchunshui No.5: Alkaline water
Drinking water with a certain hardness, a certain amount of dissolved solids and an alkaline PH value can prevent people from absorbing toxic and harmful substances, thus reducing the harm of these substances to human health. But the water quality is too hard and not good. Scientifically speaking, the hardness of drinking water is generally 50 ~ 200mg/L (calculated by calcium carbonate), and the optimum hardness is about170 mg/L. 。
The third part: How to drink the healthiest.
How to drink water to quench your thirst?
Adults drink 2 ~ 3 liters of water (about 6 ~ 8 cups) every day, which can achieve the best water balance of human body.
-Even if you are very thirsty, don't drink too much water, otherwise it will increase the burden on your heart, lungs and stomach, leading to indigestion, gastroptosis and even serious heart or lung failure.
-Drinking water too fast and too hard will swallow a lot of air, causing hiccups or bloating. It is best to put water in your mouth and drink it slowly, especially for people with bad stomach.
-It's best to quantify it regularly, preferably three or four times a day, and the best time is around 10, around 4 pm and around 8 pm respectively.
-Prepare a cup with a capacity of about 500cc in the office. The first thing every day is to pour water and drink it at any time, and it is stipulated that you should drink it as much as possible before noon; Remind yourself to finish another 500cc glass of water before going to work in the afternoon.
-Be sure to replenish water even if you don't feel thirsty after exercise.
People can judge whether they need to drink water according to the color of urine. Generally speaking, normal urine is light yellow with a color of 4534535aaa. If the color is too light, maybe they drink too much water. If the color is dark, it means more water is needed.
Who should drink more?
Who should drink less?
-Patients with edema, heart failure and renal failure should not drink more water, because drinking more water will increase the burden on the heart and kidneys and aggravate the condition.
-Heatstroke, cold, constipation, dry skin and expectant mothers can relieve their illness and discomfort by drinking more water.
How to drink different drinks to be healthy?
-In order to avoid excessive intake of calories and sugar in sports drinks, you can skip sports drinks after moderate exercise (walking, yoga, etc.). ), just plain water.
-Sugary drinks will slow down the absorption rate of water in the gastrointestinal tract and affect the metabolism of the human body, so it is best to control one cup a day, up to 200 ml. For diabetics and obese people, it is best not to drink.
-Pure water and mineral water must be kept in hygienic conditions, and it is best to drink a bucket of water within one month.
Both tea and coffee have refreshing effects, but you should drink light tea when drinking tea. Coffee should not be addictive, because coffee will affect the absorption of calcium and easily lead to osteoporosis.
People who don't like boiled water can make their own healthy seasoning water: use some sour fruits, such as lemon, grapefruit and passion fruit. Take half a piece of fruit juice and mix it into 500cc cold boiled water (the water temperature should not be high, otherwise it will destroy vitamin C), which will not only quench your thirst, but also help you boost your spirits.
Tip: How to turn tap water into clean and healthy drinking water?
Wrong way: turn off the fire as soon as the water is boiled; Let the water boil for a long time after boiling; When the water boils, cover the kettle and cook for a few minutes.
The correct way: when the water is about to boil (80℃ ~ 90℃), open the lid, wait for the water to boil for 2 ~ 3 minutes, and then turn off the fire. If you can't grasp the time when the water is about to boil, open the lid immediately and wait for 2 ~ 3 minutes to make the volatile organic pollutants in the water evaporate to the maximum extent.
2. Misunderstanding about drinking water
Myth 1: Drinking too much water is too fast.
Drinking water too fast or too much leads to too fast water absorption, and the water in the body increases rapidly, which greatly increases the burden on the heart and may make people feel chest tightness, suffocation and difficulty breathing. Patients with heart disease should pay special attention to drinking a small amount of water many times.
Myth 2: Drink too hot or too cold water.
Overheated water will burn the mouth, esophagus and gastric mucosa and reduce the function of the stomach. Too cold water will stimulate the gastric mucosa, cause gastric contraction, and lead to gastric dysfunction.
Myth 3: Drink too much water before going to bed.
Because the increase of water in the body will increase the burden on the kidney, affect the function of the kidney, and increase the number of urination, thus affecting the quality of sleep. In addition, getting up in the morning can also cause eyelid and facial edema.
Myth 4: strenuous exercise and drinking water immediately after meals
This will increase the burden on the stomach, dilute the gastric juice, reduce the bactericidal effect of gastric juice, and hinder the digestion of food. Drinking water too fast will make the blood volume increase too fast, suddenly increase the burden on the heart, cause temporary disorder of electrolytes such as potassium and sodium in the body, and even cause heart failure, chest tightness and abdominal distension. Therefore, you should not drink too much or too fast after exercise, let alone drink cold drinks, otherwise it will affect the heat dissipation of the body surface and cause colds, abdominal pain or other diseases.
Myth 5: Drinking repeatedly heated drinking water for a long time.
If you drink tap water or bottled water at home, in order to prevent secondary pollution, you can consider boiling the water before drinking.
However, if boiling water is heated repeatedly, it will lead to a large loss of nutrients in the water, and at the same time, some heavy metals will precipitate and produce nitrite. After the latter enters the body, it will generate carcinogenic nitrosamines under the action of gastric juice and food. Therefore, drinking repeatedly heated water for a long time is harmful to human body.