On 17-4-2009 12:49, Invisible wrote:
> scott wrote:
>>> "You need to burn 3,500 caleries to loose 500g of body fat."
>>>
>>> Um... really? I would have thought that the amount of energy you need 
>>> to burn would be related to the amount of energy you consume in the 
>>> first place... no?
>>
>> I don't think so, burning 3500 calories is burning 3500 calories, 
>> which apparently will make you lose 500g of fat.  Whether you then 
>> immediately consume 3500 calories and put it back on is another matter 
>> :-)
> 
> LOL! WTF?
> 
> That's pretty special, right there. And you're telling me you engineer 
> stuff for a living? ;-)
> 
> That's almost as broken as the logic in Braniac's weight experiment. 
> They got a girl, weighed her, and then made her eat a quarter pounder. 
> Afterwards, she was less than a quarter of a pound heavier. This is 
> because of "the energy used by eating the burger". And not because, say, 
> 1/4 lb is THE UNCOOKED WEIGHT OF THE BURGER or anything like that... :-P

That refers to a very classical experiment where someone measure his 
weight while sitting on a platform for some time and became lighter all 
the time. That was the first time they got a clue that perhaps we are 
breathing out CO2 and that takes some weight. I can not find a reference 
unfortunately.

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