When dehydrated, airways are restricted by the body in an effort to minimize water loss. This can make <a href="https://www.medicalnewstoday.com/info/asthma/">asthma</a> and allergies worse.

The airways need it

A lack of water can cause blood to become thicker, increasing <a href="https://www.medicalnewstoday.com/articles/270644.php">blood pressure</a>.

It helps maintain blood pressure

Water may also help with weight loss, if it is consumed instead of sweetened juices and sodas. “Preloading” with water before meals can help prevent overeating by creating a sense of fullness.

Weight loss

Dehydration can affect brain structure and function. It is also involved in the production of hormones and neurotransmitters. Prolonged dehydration can lead to problems with thinking and reasoning.

It cushions the brain, spinal cord, and other sensitive tissues

Blood is more than 90 percent water, and blood carries oxygen to different parts of the body.

It delivers oxygen throughout the body

Cartilage, found in joints and the disks of the spine, contains around 80 percent water. Long-term <a href="https://www.medicalnewstoday.com/articles/153363.php">dehydration</a> can reduce the joints’ shock-absorbing ability, leading to joint pain.

It lubricates the joints

These <a href="https://www.mayoclinic.org/healthy-lifestyle/nutrition-and-healthy-eating/multimedia/functions-of-water-in-the-body/img-20005799">dissolve in water</a>, which makes it possible for them to reach different parts of the body.

It makes minerals and nutrients accessible

Up to 65% of the human adult body is water. According to H.H. Mitchell, Journal of Biological Chemistry 158, the brain and heart are composed of 73% water, and the lungs are about 83% water. The skin contains 64% water, muscles and kidneys are 79%, and even the bones are watery: 31%.

We are water

Water is needed in the processes of sweating and removal of urine and feces.

It flushes body waste

With dehydration, the skin can become more vulnerable to skin disorders and premature wrinkling.

It boosts skin health and beauty

The bowel needs water to work properly. Dehydration can lead to digestive problems, <a href="https://www.medicalnewstoday.com/articles/150322.php">constipation</a>, and an overly acidic stomach. This increases the risk of <a href="https://www.medicalnewstoday.com/articles/9151.php">heartburn</a> and stomach ulcers.

The digestive system depends on it

The kidneys regulate fluid in the body. Insufficient water can lead to <a href="https://www.medicalnewstoday.com/articles/154193.php">kidney stones</a> and other problems.

It prevents kidney damage

Saliva helps us digest our food and keeps the mouth, nose, and eyes moist. This prevents friction and damage. Drinking water also keeps the mouth clean. Consumed instead of sweetened beverages, it can also reduce tooth decay.

It forms saliva and mucus

The middle layers of the skin and the stored water in these work like a radiator for the body. When the body temperature rises, the water accumulate the heat and starts to evaporate, cooling the body.

It regulates body temperature

When partying, unsweetened soda water with ice and lemon alternated with alcoholic drinks can help prevent overconsumption of alcohol.

It reduces the chance of a hangover

Drinking water is often overlooked as a necessary part of staying healthy. The body and blood are largely made of water, and so we need a lot of fluid to function. Consequences of not drinking enough include urinary infections and kidney stones. Find out here how drinking enough water helps the body function.

It regulates body temperature

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Aswath Román - electrical engineer