The truth about water
WATER is life. Without it, there would be no life on Planet Earth. The normal lean adult body is made up of about 70 percent water (50 percent intracellular; 15 percent interstitial; and, 5 percent in the blood
plasma) and only 30 percent solid mass. This is an amazing fact which many of us don’t realize.
Drinking at least 5 to 8 glasses of water a day
benefits us in more ways than one. Adequate water intake helps us look and fell better by maintaining our blood in perfect liquid form to carry oxygen and nutrients to the cells, regulating our body temperature, assisting our kidneys eliminate harmful wastes and
elements, lubricating our joints, revitalizing our dull skin and keeping our weight in check, to list some of its numerous major functions.
Our daily normal physiologic fluid loss (without
exercise, illness, etc.) is as follows: Infants (2-10 kg): 300-800cc; Child (10-40 kg): 840 -1500 cc; and Adult (60 kg): 1800-2100 cc. The minimum 8-glasses-a-day (250cc per glass) recommendation for an adult barely equals the daily fluid loss. On the average, therefore, the replacement should actually be about 10 percent more than the daily fluid loss.
Since the human thirst mechanism is not very
reliable (most often thirst is mistaken by our brain for hunger), drinking at least 8 glasses a day is a good rule to follow, whether one feels thirsty or not. In most instances, dehydration has already taken place before the person feels thirsty. Don’t wait for dryness of the mouth, nasal passages, eyes, and any of those symptoms listed above before drinking water. It is best to pre-empt thirst.
If we don’t drink enough water, a host of problems, in varying proportional degrees, can occur, like fatigue, headaches, irritability, mental dullness, sagging skin, retention of toxic wastes in our body, weight gain, kidney stone formation and urinary tract infection. If dehydration is severe, shock and death could ensue.
The best fluid to satisfy our thirst is properly filtered water. Not cola drinks, coffee or alcoholic beverages, all of which cause us to urinate and further lose more fluids, not to mention their adverse side-effects on the heart, kidneys and liver. Nothing is better than the old fashioned clean, fresh, sparkling water.
Soft drinks are toxic to the body, increasing our risk for metabolic syndrome, in adults and in children. These are clusters of risk factors that cause high blood pressure, diabetes, obesity, heart disease, stroke. While water is life, soft drinks, which I call “liquid candies” are poison that slowly and subtly shorten our life.
There is no better drinking or cooking fluid for the human body than fresh, clean, pure, unadulterated water. And clean water, in general, used for shower and for washing our hands frequently, prevent illnesses.
Where more water is needed
There are many situations where the 8-glasses-a-day recommendation will not be enough. These
include the following:
1. Exercising: where one loses a lot of fluids through breathing, perspiration and urination. The rule of thumb is to replace every pound lost with 2 glasses, or four glasses for every 1,000 calories burned off.
2. Dieting: water suppresses the appetite (by filling the stomach and “fooling” the brain) and also speeds up body fat metabolism and water elimination through the urine, leading to weight loss.
3. Traveling: the atmosphere on board airplanes is very dry, causing dehydration, hence more fluid intake is recommended. A glass of water for every hour of flight is the minimum replacement recommended.
4. High altitudes: the very low humidity and the natural body adaptation (deeper, heavier and more frequent breathing) among mountain climbers,
hikers, skiers, etc. lead to more body fluid losses, and require more than 8 glasses a day to replace.
5. Pregnancy: the blood volume of a pregnant woman increases, so she needs more water to maintain the proper fluidity for blood to circulate normally and with ease. For an individualized advice, please discuss this with your obstetrician.
6. Nursing: At least four more glasses of water a day, on top of the 8, is needed by nursing mothers to help ensure adequate milk supply.
7. Illness: Any ailment, like infection or diarrhea, etc., speeds up body water depletion, and so added water intake is needed.
8. Age: Older people, and infants and babies, are at a higher and easier risk of dehydration, from almost any cause, so they require more water intake than normal adults.
Facts and trivia
Here are some interesting and helpful information about water that we wish to share with you.
1. Seventy-five percent of Americans are chronically dehydrated. We don’t have statistics for the Philippines, but I suspect the incidence would be close.
2. In 37 percent, the thirst mechanism is so weak that it is often mistaken for hunger. This leads to overeating and weight gain. Drinking a tall of glass of water before each meal will help one lose weight.
3. Even MILD dehydration will slow down one’s metabolism as much as 3 percent. Male potency and female lubrication are reduced by dehydration.
4. One glass of water will shut down midnight hunger pangs for almost 100 percent of the dieters reported in a University of Washington study.
5. Lack of water is the number one trigger of daytime fatigue.
6. Preliminary research indicates that 8-10 glasses of water a day could significantly ease back and joint pain for up to 80 percent of sufferers.
7. A mere 2 percent drop in body water can trigger fuzzy short-term memory trouble with basic math, and difficulty focusing on the computer screen or a printed page.
8. Drinking 5 glasses of water daily decreases the risk of colon cancer by 45 percent, plus it can slash the risk of breast cancer by 79 percent, and one is 50
percent less likely to develop bladder cancer and
kidney stones.
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