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01-24-2009, 06:17 PM
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#1
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Senior Member
Thread Starter
Join Date: Jan 2009
Posts: 255
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Height: 5'9"
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Where does the fat... go??
Hey all, I'm sure this has been discussed before, but I can't figure out what to search for... I'm wondering, when you lose weight, where does it go? I mean, it's not like it shows up in a neat little box under your pillow in the morning.
All I can figure is that maybe "burning" calories is actually literal, and the fat leaves our bodies as heat? Or does it all go out as liquids? Sorry if this is too gross, I'm just really curious!
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01-24-2009, 06:22 PM
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#2
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Junior Member
Join Date: Jan 2009
Location: IL
Posts: 5
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Height: 5'5"
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Well.....
I'm sure it goes into the toilet. Where else would it go? LOL
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01-24-2009, 06:26 PM
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#3
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Senior Member
Join Date: Dec 2008
Location: NE Florida
Posts: 1,088
S/C/G: 200/168/165
Height: 5'8"
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Body fat: Where does it go when you lose weight?
Where does body fat go when you lose weight?
- Elisa / Texas
Mayo Clinic dietitian Katherine Zeratsky, R.D., L.D., and colleagues answer select questions from readers.
Answer
When you consume fewer calories than your body needs, your body turns to fat for energy. Your fat cells (triglycerides) provide the fuel for this energy.
Through a series of complex metabolic processes, triglycerides are broken down into two different components — glycerol and fatty acids — which are absorbed into your liver, kidney and muscle. Here, these components are further broken down by chemical processes that ultimately produce energy for your body.
The heat generated through these activities is used to help maintain your body temperature. The waste products that result are water and carbon dioxide. You excrete water primarily in urine and sweat and carbon dioxide in air exhaled from your lungs.
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01-24-2009, 06:27 PM
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#4
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Just keep breathing!
Join Date: May 2008
Location: East Texas
Posts: 1,071
S/C/G: 191.7/191.7/145
Height: 5'5
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Hah! I've actually wondered this same thing. I once read somewhere on 3FC that a few ladies love checking out their sweat lines on their work out clothes after running, to physically SEE the fat come off their bodies - so I just stuck with that as a sufficient answer for my curiosity - plus even if it isn't a good answer, after my work outs it still makes me feel great... so now I'm not sure if I want to know if I'm wrong or not!
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01-24-2009, 06:40 PM
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#5
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Senior Member
Thread Starter
Join Date: Jan 2009
Posts: 255
S/C/G: 213/ticker/155
Height: 5'9"
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Cool, thanks! So... does it make sense that the increase in carbon dioxide production would cause a little gassiness? Cause I went on a long run this morning, and I swear I was wanting to burp the whole drive home! :P
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01-24-2009, 06:41 PM
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#6
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aka Sarah
Join Date: May 2008
Posts: 1,221
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Height: 5'7"
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http://en.wikipedia.org/wiki/E%3Dmc2
You're not sweating, peeing, farting, or burping the fat out. It's simply being converted to energy.
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01-24-2009, 06:46 PM
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#7
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=D
Join Date: Dec 2007
Location: Sydney, Australia.
Posts: 2,071
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Quote:
Originally Posted by WarMaiden
You're not sweating, peeing, farting, or burping the fat out. It's simply being converted to energy.
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Well said!
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01-24-2009, 07:55 PM
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#8
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Senior Member
Join Date: Jul 2003
Location: Wausau, WI
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Energy and waste byproducts (which you do sweat, pee, poop, fart, and burp out).
An analogy would be burning wood (or anything else) which creates thermal energy, but also in the process, creates/leaves behind waste products of water, carbon dioxide, and carbon molecules or ash.
Last edited by kaplods; 01-24-2009 at 07:58 PM.
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01-24-2009, 08:37 PM
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#9
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Senior Member
Join Date: Apr 2008
Location: California
Posts: 7,097
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Height: 5'7"
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The CO2 won't make you gassy (intestinal-wise); it would be breathed off. The water you'd pee off.
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01-26-2009, 04:34 AM
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#10
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Transforming
Join Date: Jun 2008
Location: Mostly at 3FC
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Height: 5' 7"
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An interesting thread indeed !
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01-26-2009, 12:22 PM
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#11
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aka Sarah
Join Date: May 2008
Posts: 1,221
S/C/G: 289/193/159
Height: 5'7"
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Quote:
Originally Posted by kaplods
Energy and waste byproducts (which you do sweat, pee, poop, fart, and burp out).
An analogy would be burning wood (or anything else) which creates thermal energy, but also in the process, creates/leaves behind waste products of water, carbon dioxide, and carbon molecules or ash.
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Theoretically, though, you should not be producing any more of these waste products after starting to lose weight than before, assuming you were in a state of energy balance prior to weight loss; because you are still burning approximately the same number of calories off per day, with perhaps a small boost if any exercise is being done. The only thing that's changing is that a greater proportion of your energy is now coming from stored fat, versus from intake of food.
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01-26-2009, 05:17 PM
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#12
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Member
Join Date: Sep 2008
Location: Washington State
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Height: 5'9
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Well said Willow-that's exactly what a professor told me in biology- only he showed the actual break down of the molecules with it. I can't remember exactly what it was, but stored energy was something like C2O6H3 and when they break down they re-group to form H2O and CO2. You pee, sweat, and breath it out.
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