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How a Dehydrated Brain Can Hurt Your Academic Performance (Yes, Really!)

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The Effects of Dehydration on the Brain

Your brain is 75% water and your blood is more than 80% water. You need that water circulating in your body for your organs to function. As your brain is practically three-quarters only water, it actually shrinks in size when you're dehydrated.

Not drinking enough water causes what's known as a dehydration headache. Even temporary dehydration can alter your mood. Particularly, dehydration leads to:

  • Decreased alertness
  • Increased sleepiness
  • Fatigue
  • Confusion
  • Headaches

Moreover, dehydration impacts your driving ability, your physical performance, and your overall health.

All the above are bad news for your academic performance. The good news? Within 20 minutes of drinking enough water, these effects are reversed and you feel fine. Problem is, you often don't realize you're dehydrated.

Water and Brain Function: Signs of Dehydration

So, science says you should drink enough water to keep your brain running and your body healthy. Not all water is identical though, and drinking filthy or unfiltered water can cause you all sorts of other problems, including parasite infections. That's why it's important to keep up with news and tips on clean water.

With the above in mind, let's see how to tell if your body needs more water. Obviously, feeling thirsty is a good sign, and you should always drink water when feeling the urge to. Keep in mind that other fluids might quench your thirst, but are not nearly as effective as good old water.

In addition to the above brain-related list, other signs and symptoms of dehydration include:

  • Cramps
  • Chills
  • Back pains
  • Dry mouth
  • Constipation
  • Dark urine
  • Low urine output
  • Anxiety
  • Unexpected food cravings

Moreover, when extremely dehydrated, you may also fall unconscious or experience hallucinations. Needless to say, you don't have to get that far to realize you need to drink some water!

How Much Water Should You Drink?

Obviously, you should drink enough pure water during the day to avoid a dehydrated brain. But how much exactly?

You should drink between half an ounce and an ounce of water for every pound you weigh every day. For example, if your weight is 200 pounds, you should drink between 100 to 200 ounces of water daily.

Use bottles and glasses to keep track of your water consumption during the day. It helps to always have a bottle of water with you in class for whenever you feel the urge to take a sip.

Dehydrated Brain No More

Now that you know how a dehydrated brain can wreak havoc in your academic life, it's time to take the appropriate measures.

Check out the Water Filter News blog for all things related to sparkling water that will keep your brain healthy during your academic years. Or ask us your questions.


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