Link #25: You Feel Thirsty When You Lose 2% of Your Body Weight in Water

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Link #25: You Feel Thirsty When You Lose 2% of Your Body Weight in Water

Thirsty Little Man
Thirsty Little Man by Michael Bentley cc2.0

Seventy percent of Earth’s surface is water, as we described earlier, but even the human body is mainly water. Approximately 70 percent of your body is made up of water. With so much water in our bodies, you would think that we wouldn’t get thirsty so often.

But that’s not how it works. In fact, because the majority of our bodies are water, it’s very easy for us to get thirsty. The moment you lose two percent of your body weight in water, you’ll start to feel thirsty. Curious, isn’t it?

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Why Do We Feel Thirsty When We Lose 2% Of Our Body Weight In Water?

Sweat by jeffrey montes cc2.0

First and foremost, you need to learn about the various ways through which we lose water, because it’s not just about going to the wash room. We also lose fluids in other ways, such as sweating and even breathing out water vapour.

The big question is if there’s so much water in our body, why does the loss of only two percent make us thirsty? Every process within our bodies is related to water in some manner or another.

Now, when our body starts losing water, it immediately adjusts internally. However, as this happens, our bodies start feeling weaker and weaker. For instance, if you lose 5 percent of your body weight in water, then you will get extremely tired and start feeling very hot.

If the body doesn’t receive water at this stage, then the problem gets worse. If the loss reaches the level of 10 to 12 percent, then death is likely.

How Much Water Should You Have Every Day?

Gatorade by Mike Mozart cc2.0

As you can tell from the above, water is extremely vital to our survival. We mainly get water through our foods and drinks. But how much water should you drink to remain fit? There is no definite answer to this question because your water requirement depends entirely on a number of factors.

For example, how much water is ideal for you to drink in a single day depends upon your body weight, your age, the kind of climate you live in, your level of activity, and even the amount of fat you have in your body.

Generally speaking, an adult woman should have around nine cups of water on a daily basis while an adult man should have around 13 cups. This doesn’t include the water present in foods.

Another thing you should keep in mind is that when you lose water from your body, you also lose key minerals. These minerals are extremely important to your body and must be replaced. They’re known as electrolytes. The best example of an electrolyte in your body is sodium.

While water is critical to all bodily processes, sodium is a key component of many, but not all, bodily processes. However, lack of enough sodium can seriously affect your health. This is why when you sweat too much and feel extremely thirsty, it’s better to have fluids with electrolytes than plain water.

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