...about it. With repeated use, a tolerance to the diuretic effect occurs (smart kidneys). Interestingly, the stimulant effect on the brain does not seem to wane with repeated use (what does this say about the brain?).

As an irregular coffee drinker, I am keenly aware of this diuresis, and I do try to keep up with it by drinking some extra water.

I'm not sure how you are "think[ing] about it." That's what a diuretic does, it's a chemical and it makes you excrete more water than normal. Diuretics work in tablet form, also: no water in, much water out.

Your references are pertinent to athletes and are somewhat misleading. Caffeine has a multitude of effects on athletic performance, many of them positive. So a mild diuresis is probably nothing to worry about for a trained athlete. Note point number 10 of your second reference: alcohol is also a mild diuretic, and its diuretic effect is cited as one potentially negative effect for athletes. It's true for EtOH and it's true for caffeine.

Cheers! Have some whiskey in your coffee! I like mine that way!

posted by 155.247.16...

• Way OT: are you really drinking 64oz/day?, Thom, Wed, 27 Aug 2003 12:52:07
  • no help for most folks, Al S, Thu, 28 Aug 2003 10:57:54
  • Xplant Docs Said 1 Gallon A Day !!!, jc, Thu, 28 Aug 2003 10:28:56
  • More than that!, Viggen Pilot, Thu, 28 Aug 2003 05:02:52
  • kidney stones?, Dean, Wed, 27 Aug 2003 15:04:56
    • Thanks all...no kidney stones, just keeping loose, Thom, Wed, 27 Aug 2003 15:15:09
  • Recent article somewhere, phred, Wed, 27 Aug 2003 14:53:23
    • Dr Caligari's Cabernet?, RS , Thu, 28 Aug 2003 05:10:16
  • I drink between 64 - 128oz a day (+), saabgirlie , Wed, 27 Aug 2003 14:33:10
  • Look at your pee...., Chad, Wed, 27 Aug 2003 14:22:32
    • Almost as clear as the water I drink n/m, SaabKen, Wed, 27 Aug 2003 15:46:50
      • If your water is anything like the water here in ATL,, RS , Wed, 27 Aug 2003 18:52:03
        • We have three of the best fresh watersheds in N America, SaabKen in Vancouver, Wed, 27 Aug 2003 20:12:19
  • Yeah, if you count all flavors, Hydrator, Wed, 27 Aug 2003 13:22:27
    • Coffee and alcohol are all diuretics and make your, SaabKen in Vancouver, Wed, 27 Aug 2003 13:33:01
      • NOT TRUE!, Liam S., Fri, 29 Aug 2003 10:31:30
      • this is a myth..., Bob M, Wed, 27 Aug 2003 13:41:34
        • Caffeine is a mild diuretic, nothing mythologic..., Bart, Wed, 27 Aug 2003 14:28:04 <-- Viewing This Message
          • No, I'm right..., Bob M, Thu, 28 Aug 2003 07:43:00
          • Re: Caffeine is a mild diuretic, nothing mythologic..., Andrew in DE, Wed, 27 Aug 2003 14:35:22
            • yes, effect peaks in 1-2 hours, then diminishes (nm), Bart, Wed, 27 Aug 2003 15:18:23
      • Hmm. Maybe the name Hydrator is in irony? n/m, Jon in Chicago, Wed, 27 Aug 2003 13:40:39
        • Re: Hmm. Maybe the name Hydrator is in irony?, Hydrator, Thu, 28 Aug 2003 09:09:49
          • Lead us, O Glorious HYDRATOR!, Jon in Chicago, Fri, 29 Aug 2003 07:04:08
  • Japanese doctor told me this:, Jon in Chicago, Wed, 27 Aug 2003 13:21:43
  • 8 glasses a day = myth, gorper, Wed, 27 Aug 2003 13:19:51
    • THANK YOU, I knew I saw that somewhere., Jimbo, Thu, 28 Aug 2003 07:54:47
    • You eat less than 2000 calories/day?, bRAD, Wed, 27 Aug 2003 14:52:57
  • It's only about 2 liters >, ChipJ, Wed, 27 Aug 2003 13:19:02
  • Yeah, I'd say I average about that..., Nervousaaber, Wed, 27 Aug 2003 13:13:34
    • Re: Yeah, I'd say I average about that..., andy , Wed, 27 Aug 2003 13:40:01
      • Yeah, nothing like the ol' feedback loop..., Nervousaaber, Wed, 27 Aug 2003 16:00:02
  • its just 8 8oz glasses..., ThaddeusV, Wed, 27 Aug 2003 12:55:06
    • Well I'm a bit of a different case..., Jeff Newton, Wed, 27 Aug 2003 17:34:50
      • You should talk to a sports medicine doctor, saabaru, Thu, 28 Aug 2003 07:22:44
      • Always wondered if there's high % of Saabers who rowed, SaabKen in Vancouver, Wed, 27 Aug 2003 20:16:10
        • I go to Boston College..., Jeff Newton, Fri, 29 Aug 2003 05:59:56

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