Weblog on the Internet and public policy, journalism, virtual community, and more from David Brake, a Canadian academic, consultant and journalist
13 August 2002
Filed under:Science & Technology at10:56 pm

According to an American Journal of Physiology article pointed out in David Harris’ Science News weblog:

  • Water contained in drinks such as coffee, tea or caffeinated soft drinks should count toward your total water intake
  • If your body needed more water you would get thirsty and
  • Dark urine doesn’t mean you are dehydrated.

    So under normal circumstances you don’t need to hit a water “target” for health – just drink when you are thirsty…

  • 3 Comments

    1. Alas, this “study” was an electronic literature review, not a true study, and they looked at a very small subset of human water requirements. Yes, it’s relatively hard for a normal, sedentary, desk-bound individual to become dehydrated. But that’s not the whole picture.

      Consuming more water helps with weight loss in two ways; 1) many times that you feel hungry you are actually thirsty, so drinking more means you eat less. 2) drinking water helps burn off fat, although I don’t remember the details on that one.

      Consuming the target eight glasses of *water* a day (not juice, or coffee/tea) significantly reduces your chances of a heart attack. There are other studies; http://www.realage.com has several links on the subject.

      Since he invites comments, I’m going to put together a list of references and send them in 🙂

      Comment by Harald — 14 August 2002 @ 2:59 pm

    2. I think you forgot the <ul> tags around your bullets, which would explain why they look a little wonky ;).

      Comment by Alex — 14 August 2002 @ 6:24 pm

    3. It is indeed a myth – peddled by manufacturers of mineral water!

      Comment by Emma Butler - in the spirit of inquiry — 30 April 2004 @ 9:59 am

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