2

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Intermittent fasting without drinking water

Answered on August 19, 2014
Created June 28, 2010 at 2:43 PM

What about water? Half-day or whole-day fasts without water? Assuming that dehydration would not be a problem, what are the pros and cons?

C53665c3f012fa1ede91033b08a8a6e7

(2269)

on June 29, 2010
at 01:33 AM

It's taking a long time to get over the "8 glasses a day" thing that was pounded into my head when I was weightlifting. I drink 1-2 liters a day; I've always been a big water drinker since I was a kid and often feel thirsty even if I've just glubbed down a big glass. No I am not T1 diabetic, I had that horrible glucose tolerance test as a teen at my mom's insistence and it was fine. So I guess I was a camel in a past life.

D339c39d94d65460e28128174845f423

(821)

on June 28, 2010
at 05:17 PM

I've been doing full and half-day fasts without food or water for years, as do all traditional Jews -- even in the middle of the summer. These are normally accompanied by reduced physical activity and are not always pleasant. I am interested in what the health affects are vis a vis intermittent fasting.

D339c39d94d65460e28128174845f423

(821)

on June 28, 2010
at 04:53 PM

I meant that dehydration would not be a problem in the sense that the fasting would not lead to hypovolemia -- blood or mineral loss, due to its short time-span or conditions -- temperature, lack of strenuous activity.

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4 Answers

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1
1c4ada15ca0635582c77dbd9b1317dbf

(2614)

on June 28, 2010
at 03:21 PM

I'd definitely approach this with caution. I do think conventional wisdom overplays hydration, and sipping water all day is clearly not necessary (the analogy I have heard many times is that cavemen didn't carry water bottles). But I am ignorant to the benefits of going a day without water, unlike the well-documented benefits of food fasting, plus, I see no reason to disbelieve the medical establishment when they state how quickly you can die or suffer serious harm without water (as opposed to food which you can abstain from for long periods). If you really have to try it, I'd definitely observe yourself carefully and stop it if there were any ill effects. I also suspect doing it in the heat of the summer is probably not advisable!

D339c39d94d65460e28128174845f423

(821)

on June 28, 2010
at 05:17 PM

I've been doing full and half-day fasts without food or water for years, as do all traditional Jews -- even in the middle of the summer. These are normally accompanied by reduced physical activity and are not always pleasant. I am interested in what the health affects are vis a vis intermittent fasting.

1
58a55f0986b8f49a8bc5666e10492569

on June 28, 2010
at 11:13 PM

I recently finished reading Fiber Menace by Konstantin Monastyrsky, and he basically shows that most people are drinking way too much water, which is hard on the kidneys and flushes potassium out of your body, causing constipation among many other problems. I've gingerly tried cutting back on my water consumption, with very good results. Also, reading this book has allowed me to not be worried at all about the low fiber content of Paleo diets. The book demonstrates that low fiber is a good thing. The web site is FiberMenace.com.

C53665c3f012fa1ede91033b08a8a6e7

(2269)

on June 29, 2010
at 01:33 AM

It's taking a long time to get over the "8 glasses a day" thing that was pounded into my head when I was weightlifting. I drink 1-2 liters a day; I've always been a big water drinker since I was a kid and often feel thirsty even if I've just glubbed down a big glass. No I am not T1 diabetic, I had that horrible glucose tolerance test as a teen at my mom's insistence and it was fine. So I guess I was a camel in a past life.

1
8347d512bca9b034d53da40dab8cd21c

on June 28, 2010
at 04:32 PM

I'm really not trying to sound sarcastic (I know sometimes text doesn't translate well versus actual speech), but dehydration would probably be the only "con"!

Water obviously has no nutritional value, but it's needed for digestion, proper absorption of nutrients (when you finally do eat after a fast) and to regulate your body temperature. I agree with CT in saying that hydration tends to be overhyped these days, but all the same, I would drink water during a fast -- even in small amounts.

D339c39d94d65460e28128174845f423

(821)

on June 28, 2010
at 04:53 PM

I meant that dehydration would not be a problem in the sense that the fasting would not lead to hypovolemia -- blood or mineral loss, due to its short time-span or conditions -- temperature, lack of strenuous activity.

0
6f0efd477208f51d145bea6d7272256e

(627)

on June 28, 2010
at 03:14 PM

I don't drink water right after my weekly BBS-influenced workout. A mild thirst stimulates the adaptive response, according to deVany.

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