Drink plenty of water each day. That sounds so simple, but so few people adhere to this good advice. Water is a basic necessity, needed to maintain a healthy body, a clear mind, and a good balance within your tissues. About 60 percent of your body is water, and you must constantly replenish the supply, as it's used continuously in the processes of life.

So why do so many people fail to drink enough water? Many people don’t like the taste of water and have never gotten in the habit of drinking it.

Health and fitness experts say that drinking plenty of water is vital to maintaining good health and peak athletic performance. But even if you are not an athlete; you should drink plenty of water each day. The current recommendation for water is to include beverages with each meal and as your thirst dictates. The only exception is for athletes and they should use the guideline of replacing each pound lost during exercise with 2 cups of water. Your body absorbs water not only through liquids ingested but also from food. Many fruits and veggies are more than 80% water.

Water makes up more than two thirds of the weight of the human body, according to the National Institutes of Health. Without water, humans would die in a few days. All the cell and organ functions depend on water for functioning. It serves as a lubricant and forms the base for saliva and the fluids that surround the joints. Water regulates the body temperature, as the cooling and heating is distributed through perspiration. Water helps to alleviate constipation by moving food through the intestinal tract and thereby eliminating waste. If fluid levels aren’t up to par in a cell, it’s not going to be able to carry out its function. Each cell has a special function and its efficiency level will increase or decrease depending on the hydration level.

Steamy bedroom sessions are leaving couples tired because they are not drinking enough water to replenish their fluids, according to new research. Dehydration leads to fatigue, lethargy and headaches, meaning couples risk waking up the next day sapped of their energy and libido if they do not take enough water on board. Half-an-hour of making love can be as strenuous as a three-mile run, but only 42% of people drink water after making love.

Early symptoms that one is not getting enough water include dizziness, headaches, fatigue and diminished concentration. So if you drink enough water, you are going to feel better. Benefits of drinking plenty of water include improved muscular and cellular function and better brain function.

Don't rely on thirst to tell you when to drink. By the time you feel thirsty, you're already mildly dehydrated.