6 myths about water, that it's time to stop believing
Health / / December 19, 2019
The sports and fashion magazines write about the benefits of water with surprising regularity. In social networks diverge numerous and sometimes conflicting information about it. Layfhaker parses popular misconceptions and clarifies when and in what form and quantity of water consumed.
1. You need to drink eight glasses a day
Formula eight glasses wanders from log to log. It is absurdly simplistic rule, published in the foreign press as early as 1945, suggests that the consumed (including with food) fluid per day is equivalent to about two liters of water. Water can be consumed in any form in the soup, juices, fruits and vegetables, tea. But the phrase "drink eight glasses of water a day" is taken literally.
Two liters - average size, suitable for a healthy adult, is not engaged in physical labor. Men and women, athletes and office workers, inhabitants of cold and hot countries require different amounts of water.
It is best to focus on a thirst. Do you want to drink - drink. The main thing - to make up the loss of water, ensuring the metabolism, which is especially important for people suffering from obesity. Scientists from the Indian Medical College in Navi Mumbai, conducted a study
Effect of 'Water Induced Thermogenesis' on Body Weight, Body Mass Index and Body Composition of Overweight Subjects. on a group of people 18-23 years old, who for eight weeks drinking half a liter of water three times a day: before breakfast, lunch and dinner. After the experiment the subjects weight decreased.Drinking water in the pure form is also useful. Unlike juices, coffee or milk, water does not contain caffeine, fat, carbohydrate and other substances able to harm the body at immoderate use.
In 2010, researchers foundDrink water to curb weight gain? Clinical trial confirms effectiveness of simple appetite control method. That drinking water before meals reduces calorie intake.
2. You need to drink bottled water
This misconception is supported entirely by objective data about the poor quality of tap water in different cities of Russia. But if from the tap flows with domestic water, it can be drunk. However, you can check it only in the laboratory, so better to filter tap and boil.
Manufacturers produce potable and bottled mineral water, with it may be the same liquid that pours from the tap, just more expensive. A mineral water is also a medical - this can not drink without any special recommendations or restrictions.
3. Drink at meal time is harmful
It's funny, but people say, convinced the benefits and harm of soups is the bread dry rations. In fact, drinking water, food, we help the stomach digest eaten.
4. Drinking during exercise is harmful
Old Soviet athletes sometimes say that drunk during exercise increases the blood volume of the liquid, causing the heart to make more effort at work. In fact, everything is exactly the opposite. When fluid loss blood becomes thicker. This complicates the work of the heart muscle. Nutritionists and trainers are advised to drink at any time of the training, as well as before and after it. The main thing - do not drink too much, but more on that below.
5. You can not drink too much
This statement - a myth half. The notion that excessive drinking prevents lose weight, has no scientific basis, because we remember that water provides our metabolism. Excess water excreted by natural means. If the body tend to accumulate fluid, consult a doctor.
To cause harm to the body of water you need to drink a lot of it, perhaps even against their will. Scientists from the Institute of Neurophysiology and Mental Health in Melbourne say that the consumption of water in excess of the human brain, the mechanism that inhibits swallowing reflex.
More than three liters per hour to drink is not recommended, especially athletes. During training of the body is removed sodium. The disadvantage with consumption of water leads to hyponatremia at which the liquid is excreted and accumulates in the cells.
6. Copious drinking helps in the fight against SARS and hangover
Many people know that while colds need to drink a lot of water, but not everyone understands why. By itself, the water does not cure the flu and SARS. She makes up for lost time in the fluid of the disease, which is also important.
Hangover need water exactly for the same reasons. Alcohol intense withdrawal of fluid from the body, so we need to fill it. The use of folk remedies for a hangover - brine - confirmed by scientific data. The salt contained in the brine, helps make up for the loss of sodium. The main thing - do not overdo it.