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It's not 'word of mouth' or creationism, I'm talking about standard medical practice. How long have you worked in Health Care? Oh, yeah. Let's see, any caffeine IVs in a hospital to wake up a TBI patient? NO. If someone has volume depletion, or episodes of orthstatic hypotention and syncope, NO MD or RN I have ever known will tell these people that caffeine counts towards their fluid intake! Now, if a young, healthy individual doesn't drink quite enough fluid and drinks a lot of caffeine, they probably won't have any serious consequences per say as their system can adjust more easily, but may feel a little dizzy. Now, if you have an individual you has renal issues, dehydration, UTI, their system absolutely cannot adapt. Again, you would need some kind of 'formula' vs set fluid amount for ANY person, as age, weight, exercise, nutrition and cormorbidities will effect the recommendation, which is what I tried to tell you the last time. Now, I can't pull up a research article for you, BECAUSE I AM ACTUALLY WORKING IN THE HEALTH CARE FIELD WITH PATIENTS ALL DAY. No offense, but I would come to you in a heartbeat for computer info, and many other subjects, but I've worked in health care 19 years, and have probably seen a few more things than you have.
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From:  faerieburst |
Date:
April 25th, 2008 08:50 am (UTC)
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Re: Tough Love
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"Now, I can't pull up a research article for you,"But I can. http://www.snopes.com/medical/myths/8glasses.aspThe relevant part to this discussion (emphasis mine): "Additionally, the idea that one must specifically drink water because the diuretic effects of caffeinated drinks such as coffee, tea, and soda actually produce a net loss of fluid appears to be erroneous. The average person retains about half to two-thirds the amount of fluid taken in by consuming these types of beverages, and those who regularly consume caffeinated drinks retain even more: Regular coffee and tea drinkers become accustomed to caffeine and lose little, if any, fluid. In a study published in the October issue of the Journal of the American College of Nutrition, researchers at the Center for Human Nutrition in Omaha measured how different combinations of water, coffee and caffeinated sodas affected the hydration status of 18 healthy adults who drink caffeinated beverages routinely. "We found no significant differences at all," says nutritionist Ann Grandjean, the study's lead author. "The purpose of the study was to find out if caffeine is dehydrating in healthy people who are drinking normal amounts of it. It is not."The same goes for tea, juice, milk and caffeinated sodas: One glass provides about the same amount of hydrating fluid as a glass of water. The only common drinks that produce a net loss of fluids are those containing alcohol — and usually it takes more than one of those to cause noticeable dehydration, doctors say." The study that was written up in the Journal of the American College of Nutrition can be found here: http://www.jacn.org/cgi/content/full/19/5/591"Now, if a young, healthy individual doesn't drink quite enough fluid and drinks a lot of caffeine, they probably won't have any serious consequences per say as their system can adjust more easily, but may feel a little dizzy."Not according to Ann C. Grandjean, EdD, FACN, CNS, Kristin J. Reimers, RD, MS, Karen E. Bannick, MA and Mary C. Haven, MS, who did the above study. They say it doesn't have anything to do with "adjusting" and, in fact, drinking the caffeinated beverages regularly increases the amount you retain from them. Given that the person we are talking about here is a reasonably young, reasonably healthy male who is not having "episodes of orthstatic hypotention" or "renal issues", etc., what a doctor would or would not recommend for those ailments isn't relevant. You question Philip's credentials on this, but somehow I don't think you can argue those of the people who ran that study. And they say, as it relates to a healthy person, you are wrong. ~Aramada
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