Since 55% of your blood is liquid, a loss in water can lower your blood volume and end up affecting your blood pressure. Dehydration can cause low blood pressure and drinking water can help you balance it. Hence, make sure you don't go a long while without drinking water.

Mild levels of dehydration can play with your mood swings as well as cognitive functions. Especially during your older ages when you start getting forgetful. Dehydration can alter your mood, ability to think clearly and even drain out your energy.

As weird as this may sound, a fever can actually get worse when you're dehydrated. In fact, a fever might also cause dehydration. In such cases, you need to immediately get on fluids and make sure that you cool your body down.

If you are not drinking enough water and are experiencing a lot of headaches, you may be severely dehydrated. Researchers say you start to experience pain in this area because there is not enough fluid around the area of your brain. This may be because you don't have enough water in your system. So whether you choose food or water, make sure you stay well hydrated so you can function well.

Dehydration can oftentimes make you feel tired even when you must be well rested. It can also cause lethargy, fatigue and tiredness. You can pick on these symptoms and hydrate yourself otherwise it can lead to low blood pressure as well. Being properly hydrated will keep increasing your energy levels.

Headaches are common till they're rare and mild. But if you notice yourself getting frequent headaches, it could be a sign of dehydration. Headache pain can be linked to low blood pressure due to a loss in water in your body. This is when you must provide your body with enough water to do away with such headaches.

“A lot of people think that people who get dehydrated are really sweaty, but in fact, as you go through various stages of dehydration, you get very dry skin,” says one doctor. More often than not, you actually end up with rather dry or flushed skin.

There are plenty of food sources that your body will accept water from. This is one of the reasons many people feel very hungry when they are extremely dehydrated. Some people may mistake feeling hungry for feeling exhausted when what they really need is lots of water. Even though it may be tougher to stay hydrated with the help of food, the best thing you can do is to drink a glass of water.

A simple and quick way to know if you are dehydrated is a reduction in saliva production. Bacteria can thrive in your mouth when there is less spit. This can cause your breath to smell bad, according to a study published in the Orthodontic Journal.Experts say most dentists alert patients that complain about chronic halitosis, that consuming water will help tackle this issue.

Feeling grouchy? Your foul mood may be due to dehydration. A study published in the Journal of Nutrition found low levels of water in your body can put you in a bad mood. A team of scientists found depression, frustration and anger levels were high in women who didn't drink enough water. So if you want to stay in a good mood, make sure you have a bottle of water by your side throughout the day.