
Water plays a very important role in maintaining a healthy body, an optimistic mind. Therefore, the demand for water consumption is very much concerned by people. To find out the exact number for the question “How much water do you drink a day??” it’s not simple. Because the answer depends on many factors, such as weight status, health, activity level or the weather of that season.
Standard “8 glasses of water every day“good”2 liters of water per day“Is it really right for all of us? In this article, Ocany Share everything with you about the roles of water in the body, how much water should you drink a day and suggestions 2 ways to calculate the amount of water in the body every day has been published by the world nutrition research organizations.
Table of Contents
Toggle1. What if the body is dehydrated?
Water makes up about 75% Our body, in cells, between cells, in blood vessels…Every day, the amount of water in the body is lost through excretion by sweat, tears, saliva, urination… Normally, This amount of water is replenished through the diet.
Lack of water in the body causes fatigue
Dehydration is a condition in which our body loses more water than it takes in daily. A study in women showed that water loss 1.36% After exercise reduces mood and concentration and increases the frequency of headaches.
If the deficiency is not enough, the body will fall into a state of dehydration. Lack of water makes the organs unable to perform their functions normally. From there, symptoms of the disease will appear from mild to severe, even death. So what is the role of water in the body and how much water should you drink a day?
2. The role of water with the human body
Water is the main chemical component of the body. In other words, the body can survive thanks to water.
Water is very important for the body
Water has a particularly important role to the body, from cells to tissues, organs and organ systems all need water to function properly.
- The waste products in the body are partially eliminated through urine and sweat.
- Water helps to maintain a constant body temperature.
- Protects sensitive tissues in the body and lubricates joints
- Not drinking enough water or having diarrhea or fever can lead to dehydration, fatigue, or other serious complications.
In addition, water also helps solve a number of health problems such as:
- Constipation: Increasing your daily water intake can help relieve constipation.
- Cancer: Some studies suggest that people who have a habit of drinking a lot of water have a lower risk of bladder and colorectal cancer than those who do not have the habit of drinking a lot of water every day.
- Drinking a lot of water helps you reduce the disease kidney stones, bladder stones
- Drink a lot of water to keep the skin elasticity increase and reduce the risk of acne formation.
3. How much water should you drink a day?
There is no absolute formula for count water to drink every day. Because this depends on each individual, living habits, activity level of each person to increase or decrease the amount of water to suit each person’s condition.
Daily water intake can come from many sources: natural water, beverages and more 20% of water We put into the body every day from other food sources such as green vegetables, tubers and fruits….
According to the American Academy of Sciences, Engineering, and Medicine
The American Academy of Sciences, Engineering, and Medicine has recommended how Calculate the amount of water to drink each day in adults are as follows:
How much water is enough to drink a day?
- For men: Need to provide the body with about 3.7 liters of water per day
- For women: Need to provide the body with about 2.7 liters of water per day
According to US News & World Report
The US News & World Report research team has come up with a relative formula for what is normal, sedentary to moderate exercise, a reference formula that is drinking water according to weight.
Weight (kg) x 2 x 0.5 = Amount of water required (oz)
In which: 1oz = 0.03l
For example: If you weigh 40 kg, you need to drink: 40 x 2 x 0.5 = 40oz = 50 x 0.03 = 1.2 liters of water.
Below is a table of the amount of water you need to take in based on your weight, you can refer to:
*Note: The left column represents the weight, the right column is the corresponding amount of water calculated according to the formula above.
=> Note: The table is for reference only, the amount of water to be loaded into the stork’s body depends on the condition and level of physical activity of each person. From there, you need to increase or decrease the amount of water according to your condition and personal living habits.
4. Some notes about the amount of water to load each day
We not only care about how much water we should drink a day but also have to pay attention to some issues when drinking water. Some health and nutrition experts say that Calculate the amount of water you need to drink each day not so important, you should drink several times throughout the day even if you are not thirsty. This depends on many factors such as:
- Physical activities such as working out or playing sports: These are activities that cause the body to sweat a lot. Therefore, the amount of water lost is greater than that of people who do not participate in these activities, so of course, quantity water to drink Also, the need to supply water to the body also increases because of that.
- Environment: The environment also affects your body. In hot and humid weather, the sweat glands secrete more, making the amount of water needed to be replenished.
- Health status: In cases such as diarrhea, vomiting, fever … your body will lose a lot of water and electrolytes in the body. So the calculation amount of water to drink per day very important right now. You must constantly replenish water, preferably oresol solution to replace lost water and electrolytes.
- Pregnant or lactating women: Many studies have shown that women during pregnancy or breastfeeding need more water than others.
Ending
Water is the most important ingredient for human life. There aren’t any scales or calculations to help us know exactly how much water to drink each day. But experts all recommend that you get in the habit of drinking water several times a day even when you’re not thirsty. This habit will help you stay hydrated, all the activities of the organs in the body go smoothly and help you have good health.
Hope the article can help you answer the question “How much water do you drink a day? ?” and find out the “recipe” to know how to calculate the amount of water to drink for yourself.

John Alen was born in 1971 and is a doctor in the healthcare and psychology fields with many years of experience. He is currently working at easyhealthylive.com, a leading health and psychology blog. Having studied at Y1 National Medical University named after IM Sechenov, John Alen is using his knowledge and experience to help improve the physical and mental health of people in the United States.