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Benefits of Drinking Water

50 Must Know Benefits of Drinking Water Based on Latest Evidence

It’s no big secret that drinking water is good for you; you’ve been told this by your doctor (and your mother) your whole life.

You’ve heard the basics, that your body is made mostly of water, that you can only survive a few days without it. Yet, if you are like most people in North America, with abundant access to clean water, you don’t get anywhere near the amount of water that doctors recommend.

In this article, we will summarize everything that science has to say about the benefits of drinking water based on medical research. Before diving into the benefits, let’s take a look at some surprising facts about drinking water.

Most Surprising Facts About Drinking Water

  • Despite decades of research in the matter, there is no scientific consensus on exactly how much water intake is optimal.
  • 7% of US residents don’t drink any water whatsoever!
  • Most municipalities add fluoride to the water supply to prevent tooth decay in the population
  • Dehydration impairs cognitive performance and mood.

How Drinking Water Benefits Your Health

Every benefit we’ve listed is backed up by a medical research study or article, please see the sources for more information.

Regulates Body Temperature (Thermoregulation)

Sweating is an important cooling mechanism in your body. While you are resting, your body will secrete approximately 0.2L of water every hour. During intensive exercise, your body can lose up to 2L of water per hour.

Source: Hydration effects on temperature regulation

Increases Physical Performance

The physical performance of athletes declines significantly with even mild dehydration, with increased fatigue, reduced motivation and increased perceived effort.

Source: Influence of graded dehydration on hyperthermia and cardiovascular drift during exercise

Increases Cognitive Performance

Studies show that mild levels of dehydration can impair many areas of cognitive performance, including short-term memory, problem-solving, perception and visual tracking. This effect is even more pronounced in children and the elderly.

[Source: Effects of fluid ingestion on cognitive function after heat stress or exercise-induced dehydration]

Maintains Healthy Skin

Studies show that water intake positively impacts skin physiology, reduces dry skin and keeps the skin tighter. This effect is most pronounced in individuals who are chronically dehydrated.

[Source: Dietary water affects human skin hydration and biomechanics]

Maintains Digestive Health

Water is critical for digestion; your large intestines absorb water in your food, and without additional water, your stool becomes harder and more difficult to pass. In addition, water is critical to producing the mucus that lubricates the intestines.

[Source: Water: A fluid Way to Manage Constipation]

Prevents Headaches

It is well documented that dehydration can cause mild headaches to severe migraines. If you are experiencing a headache, the first thing you should do is drink water.

[Source: Water-deprivation headache: a new headache with two variants]

Prevents Bad Breath

Dry mouth is one of the leading symptoms of dehydration, and a dry mouth is a smelly one. One role saliva plays is to continuously rinse your mouth, and saliva production is inhibited when you are dehydrated.

[Source: What Causes Bad Breath? Tips for Fresher Breath]

Prevents Toxin Related Illness

Dry mouth is one of the leading symptoms of dehydration, and a dry mouth is a smelly one. One role saliva plays is to continuously rinse your mouth, and saliva production is inhibited when you are dehydrated.

[Source: What Causes Bad Breath? Tips for Fresher Breath]

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