Water nutrition is essential for an active body

We all experience the feeling of thirst and relief from drinking water.  Our bodies can last a few days or weeks without food but cannot be dehydrated.  Water nutrition is the most essential need of an active body.  So is water nutrition that humans are indispensable?

Water nutrition is essential for an active body

Water nutrition is the most essential need of an active body. / ph: pexels

1. Why is water nutrition important?

 Water is the main component of the human body, participating in all functions of the body and accounting for 50-75% of your body weight.  Water is colorless, odorless and tasteless, it is an inorganic (carbon-free) substance consisting of two hydrogen atoms linked to one oxygen atom, helping you maintain body temperature, and metabolize fats in the body, aids digestion, lubricates and buffers organs, transports nutrients and removes toxins from the body.  Although it contains no calories, water is the vehicle for most of the chemical reactions in the body, especially the metabolic reactions involved in energy production.  The body uses water nutrition as a coolant, which helps regulate muscle temperature during exercise, fever, and in hot environments.  Water also acts as a buffer between joints, in the spinal cord and in the brain.

2. Water nutrition value

 Purified water contains zero calories and is not a source of fat, protein or carbohydrates. While purified water does not contain any additional nutrients, water generally absorbs certain minerals and introduces them to the muscle.  For example, tap water - especially hard water - can provide calcium and magnesium. Bottled mineral water can also contain these and other minerals, including sodium.

 Every cell, tissue, or organ needs water to function properly.  Water transports nutrients and oxygen to cells, provides an environment for chemical reactions to take place, helps remove waste products, helps maintain a stable body temperature and keeps tissues in the skin, moist mouth, eyes and nose.

3. How is water stored in the body?

 Water is stored in intracellular fluid (ICF) and extracellular fluid (ECF) compartments.  ICF accounts for about 65% of the body water while ECF (35%) is plasma and lymphatic (a transparent, yellowish liquid carrying lymphocytes), serving as a transport vehicle for waste and nutrition substances throughout the body.  Minerals such as chloride, potassium, and sodium are involved in maintaining ICF and ECF levels, a process governed by hormone messages from the brain and kidneys.  If any molecule becomes too concentrated in one compartment of liquid, it pulls water from the other to dilute itself.  For example, eating pizza often makes a person thirsty, this is because sodium from pizza sauce and cheese builds up in the ECF, pulling water from the ICF.  The cell sensor detects this change and signals it to be dehydrated.  The brain signals more water to drink.  So whenever any of the molecular is too concentrated in one compartment (ICF or ECF), the brain signals the body to drink more water until the cavity is properly diluted for endothelium equilibrium.  If more fluid is desired in the cells, the kidneys will proceed to make urine by filtering excess fluid from the blood.

4. Water nutrition to sustain life

 The body works to maintain water balance through mechanisms such as the feeling of thirst. When the body needs more water, the brain stimulates the nerve centers in the brain to encourage a person to drink more water. 

 The kidneys are responsible for maintaining the homeostasis of body water (i.e., water balance) through the elimination of waste and excess water. Water is absorbed mainly through the digestive tract and excreted by the kidneys in the form of urine.

 For a normal adult, a minimum daily amount of water between 700-800 ml is needed to respond to dehydration and maintain the body's water balance.  To protect against dehydration and the development of kidney stones should consume more than 1.5-2 liters of water per day.

The demand for water nutrition is increased by:

 - Exercise, water is lost through sweat.

 - The climate is hot and humid.

 - Altitude, breathing rate twice as fast as sea level.  At high altitudes, most dehydration is caused by breathing, not sweat.

 - Fever and diarrhea lead to dehydration.

5. Water and thermostats

 Water has a great capacity to generate heat, helping to limit changes in body temperature in warm or cold environments.  When sweating, evaporating water from the skin's surface is a very effective way to lose heat.

6. Water as lubricant

 Water, combined with viscous molecules, forms liquid nutrition that lubricates joints; allows saliva, gastric and intestinal mucus to secrete in the digestive tract; gives mucus in the airway secretions in the respiratory system and gives  mucus in the urinary tract.

7. Recommended daily amount of liquid nutrition

 - Infants from 0-6 months: 0.7L (from breast milk or formula)

 - Children from 1-3 years old: 1.0L

 - Children 4-8 years old: 1.2L

 - Adults: 1.5-2.5L

These adequate amounts include all liquid nutrition, but preferably most drinking water comes from plain water (except for infants whose fluid intake is met with breast milk or formula).
 Sedentary people, people in cold environments or people who eat a lot of foods with a high water content (such as fruits and vegetables) may need less water.

8. The amount of water supplied to the body is not enough

 Not drinking enough water can increase your risk of kidney stones, urinary tract infections. It can also impair your physical and mental performance, salivary gland function, and lead to dehydration.

 Dehydration occurs when the body's water content is too low.  Symptoms of dehydration: thirst, headache, dry or chapped lips, dark urine, tiredness ...

 Liquid nutrition source

 Liquid nutrition source include water and others such as milk, fruits, vegetables ... Water is the best drink to hydrate the body.  Milk (especially low-fat varieties) is an important liquid nutrition, especially for children and makes up about 90% of the water.  Fresh fruits are loaded with fiber and nutrients.

Avoid sugary and artificially sweetened beverages

 Drinks containing sugar should be limited, including soft drinks and sugary soft drinks, flavored mineral water, energy drinks and sports. Artificial sugary drinks add very little energy and can contribute to tooth decay due to their acidity.

Water nutrition is essential which has many important roles in the human body. Water is present all over our planet which acts as a building material; as solvent, reaction medium, reactant and reaction product;  As a nutrient and waste carrier; in thermoregulation and as a lubricant, therefore, the optimal functioning of our body requires a good level of hydration.  Adjusting the water balance is accurate and essential for maintaining health and life.

Water nutrition is essential for an active body

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