#8 Frequent Urination
Water is one of the most important substances on earth.If there was no water there would be no life on earth.
A human being urinates 6-7 times a day. This number varies from person to person as some drink more water than others.
If you dont drink enough every day, you can feel fatigued thus dehydration develops. This is a life-threatening condition. Drinking too much water can be problematic, however, if it leads to the need to urinate frequently. By achieving a balance between water intake and urination or recognizing the symptoms of an underlying urinary disorder, you can stay healthy.
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#7 Dry Skin
Your skin is your body's largest organ, so of course it needs to stay hydrated. In fact, dry skin is one of the earliest signs of full-on dehydration, which can lead to much larger problems. A lack of water means a lack of sweat, which leads to a body's inability to wash away excess dirt and oil accumulated throughout the day. If you want to stave off breakouts, your first recourse should be to drink more water.

#6 Headaches
A mild to moderate headache, especially when combined with one or more of these other symptoms of dehydration, can be another sign you do not drink enough water. If it seems like you are always suffering from a slight headache, your body is probably trying to tell you to drink more water!

#5 Dry Mouth
If your mouth is dry, chances are, you’re at least mildly dehydrated, and it’s time for a drink. Keep a bottle of water with you everywhere you go, and sip from it often. Keep in mind that some medications can also cause dry mouth, so if you are experiencing just this one sign that you do not drink enough water, it could just be a side effect from a drug, not from actual dehydration.

#4 Color Of The Urine
Okay, this may sound a little gross, but people who are suffering from dehydration have darker-colored urine.If your urine is dark yellow or worse, dark brown, then you are probably dehydrated. Drink more water!

#3 Hunger
Did you know that sometimes when you feel hungry, you are actually thirsty? Slight hunger pangs are another sign that you do not drink enough water. Before you grab a snack, try drinking a glass of water. If your hunger pangs recede, chances are, you weren't really hungry, you were thirsty!

#2 Dizziness
Dizziness or vertigo is another sign you do not drink enough water. Again, this symptom of dehydration can be caused by other things, like medication or sleepiness, but if you feel it in combination with other symptoms on this list, you could also be dehydrated

#1 Symptoms Of Chronic Dehydration
These symptoms are:
Urinary Tract Infections
Premature aging
Confusion/ Anxiety
High Cholesterol
Constipation or heart burn