http://www.wisegeek.com/can-drinking-too-much-water-be-unhealthy-or-even-dangerous.htm
In the Understanding Motivation and Emotion textbook, on page 86 there is a discussion about the dangers of drinking flavored water and how drinking too much water can be downright dangerous. Specifically, the book says, "When factors such as a sweet taste offer a high incentive value for drinking, human beings drink excessively and sometimes consume dangerously high amounts ... Both alcohol and caffeine (introduce biological processes) that motivate people to drink in excess."
I have to admit, I was very surprised by this finding. I did not think that mere flavoring in water could cause people to drink dangerous levels of water. The book also mentions that the "Drink 8 glasses of water per day" rule has absolutely no scientific basis. Of course most of us know about the dangers involved with alcohol, and the nutritional deficiencies that can arise from excessive amounts of alcohol, but I think most people are not aware that drinking too much water can kill you. When I was little I actually remember hearing about a girl who drank too much water and died because of it, but my mother assured me that she must have drank an extremely excessive amount for it to be a problem. I do not think the amount need be so excessive to prove fatal.
This article mentioned that the 6-8 glasses of water per day probably does not do any harm because it still falls within the normal range, but it mentions that sometimes dieters and athletes try to get an "extra edge" by drinking more. One of the major problems is that "too much water can quickly deplete electrolytes like sodium compounds" and "(This sodium depletion) can rupture cells" either from the inside or outside of the cells. The symptoms arise quickly.
In hindsight, perhaps I should not be too surprised that I did not know this information. I have not yet taken Personal Wellness or been active in any sports programs. This may be common knowledge among certain groups, but I for one did not know any of this. I had assumed that the thirst satiety response cycle would be exactly the same for both flavored and regular water.
Another question arose in my mind as I read about this problem among athletes. If drinking dangerous amounts of water can sometimes give an athlete an edge, it is probable that some people will continue to partake in excessive drinking even after learning about the dangers. In some ways this directly relates to the debate over steroid use. What motivates athletes to use steroids when some of the side effects can be very serious?
I think it is important to note that we must never allow ourselves to become too comfortable with anything that could be dangerous. There is probably not a day in our lives when we have gone without water. We often think of it as completely harmless, but in reality in sufficient quantities there are a great many things that can kill a person. I think there is also a desensitization problem with dangerous machinery. I used to do occasionally work on projects in woodworking and had a couple close calls, which I think I can attribute to my lack of attention because after so many uneventful encounters with the dangerous machinery my fear response seemed to decline substantially.
While the problem of drinking too much water is by no means an epidemic, I think it is a potential problem we need to be aware of, especially as energy drinks and flavored water drinks are becoming more common. There are serious dangers to even moderate amounts of certain energy drinks.
Another related topic I wanted to briefly bring up here is the food sold in fast food restaurants, the cigarettes sold in stores, and the drugs (such as caffeine) put in energy drinks. I am curious as to what others think regarding possible regulation for fast food restaurants, cigarette companies, and energy drink companies. If some of their products are found to be extremely harmful and found to contain addictive ingredients that encourage addiction and excess, should the public be simply warned through information campaigns or should the government set regulations that prevent certain unsafe products from being sold? One might argue that a black market of sorts would arise and people would just have to find ways around the regulations, but do we have a moral obligation to take greater action against these problems? There is a great deal more about the fast food restaurants and smoking companies using that could be said in this discussion, but I suppose that would be best left for another time.
The main reason why I believe this discussion is relevant and applicable to our class is because these chemicals and ingredients in these products directly influence the behavior of consumers and sometimes motivate them to do things against their best interests. I believe people are generally smart enough to make decisions on their own and excessive regulations can become ridiculous, but it is my opinion that a few extra standards may need to be implemented regarding these products.
This is just a small excerpt from the main article I hyperlinked in case anyone would like to read the conclusion of the article without going to the hyperlink...
Generally too much water is defined as water consumed above what the kidneys can process in an hour. Extremely healthy kidneys would be able to process about 30 ounces of water in an hour. A person with kidney problems or with only one kidney should drink much less, as per doctor's instructions.
The person with healthy kidneys could develop water intoxication by drinking about 2 to 3 times what the kidneys can process. For a person with kidney problems or with one kidney, too much water might be defined as just an ounce or two over the recommended amounts.
For people with healthy kidneys it should be perfectly safe to drink two cups of water an hour, and for the dieter, even one cup an hour will fulfill requirements for getting plenty of water. However, drinking too much water in rapid succession can prove fatal and should definitely be avoided.
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