A Calorie is not a Calorie?

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Kettles and Calories with Zoe Harcombe. About 40 mins from PHC.


Someone asked just recently how a unit of measurment could be 'wrong', I think it may have been @Diakat (sorry if it wasn't you).
 
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Diakat

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Kettles and Calories with Zoe Harcombe. About 40 mins from PHC.


Someone asked just recently how a unit of measurment could be 'wrong', I think it may have been @Diakat (sorry if it wasn't you).
It was me. Guilty as charged.
 

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It was me. Guilty as charged.

I wanted to answer you at the time but I find it a difficult concept to explain properly so I jumped when this presentation popped up in my YouTube feed this morning. Enjoy!
 

rosco 2

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Thank you for this, it was truly mind expanding. Lots for me to think about although the messages are pretty simple.
 
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Guzzler

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Included: Sam Feltham as an example of CICO (Psycho? Good one, Zoe). Insulin, glucagon and alcohol.
Why we do not disappear when in calorie deficit, BMR and why it does matter.
Not included: Where Dr. Harcombe bought that gorgeous dress (Yes, you can call me shallow :)).
 

Mr_Pot

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Dr. Zoe Harcombe claimed to have no idea where the formula 1lb of fat = 3,500 Cals came from....

One pound equals 454 grams
Pure fat contains about 9 calories per gram
Body fat tissue is about 87% fat
454 x 9 x 0.87 = 3,554

I an not saying that the equivalence is true, just where the erroneous figure obviously came from.
 

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Dr. Zoe Harcombe claimed to have no idea where the formula 1lb of fat = 3,500 Cals came from....

One pound equals 454 grams
Pure fat contains about 9 calories per gram
Body fat tissue is about 87% fat
454 x 9 x 0.87 = 3,554

I an not saying that the equivalence is true, just where the erroneous figure obviously came from.

Dr. Harcombe addresses that very equation in her lecture on CICO previous to this one a couple of years ago. I think I may still have the lecture in my saved list if you would care to view that presentation, too?
Though I must add that this (current) presentation is better than the last one as she has added in the results of further research.
 

Mr_Pot

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Dr. Harcombe addresses that very equation in her lecture on CICO previous to this one a couple of years ago. I think I may still have the lecture in my saved list if you would care to view that presentation, too?
Though I must add that this (current) presentation is better than the last one as she has added in the results of further research.
So why did she say she had no idea where the figure came from and went through all the rigmarole of asking all the leading authorities?
 

Guzzler

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So why did she say she had no idea where the figure came from and went through all the rigmarole of asking all the leading authorities?

Because that is the point that she is making, no one knows who devised that equation (or when it raised its head).
 

Mr_Pot

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It is obvious where it came from. The equation was used on my DESMOND course, so it's hardly a secret.
 

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It is obvious where it came from. The equation was used on my DESMOND course, so it's hardly a secret.

No one is saying it is a secret. If the origins were known then the formula and the way it was arrived at could be investigated at its roots, then it could be tested.
 

Mr_Pot

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No one is saying it is a secret. If the origins were known then the formula and the way it was arrived at could be investigated at its roots, then it could be tested.
It is arrived at by using the formula above. If you were to ask how many Calories in a pound of body fat, that is the answer you get. The mistake was to assume that taking in that amount of Calories would generate that amount of body fat.
 

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It is arrived at by using the formula above. If you were to ask how many Calories in a pound of body fat, that is the answer you get. The mistake was to assume that taking in that amount of Calories would generate that amount of body fat.

But as Zoe points out, you mention energy and then weight...
 

Mr_Pot

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But as Zoe points out, you mention energy and then weight...
She was talking about the weight that people put on by consuming a certain amount of calories is not equivalent, which I agree with. What is not disputed is that all substances have a calorific value and for fat that is 9 Cals/gram. From which the figure of 3,500 Cals/lb is calculated. This must have been obvious to Zoe Harcombe, the claim that she had no idea where it came from was just theatre.
 

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She was talking about the weight that people put on by consuming a certain amount of calories is not equivalent, which I agree with. What is not disputed is that all substances have a calorific value and for fat that is 9 Cals/gram. From which the figure of 3,500 Cals/lb is calculated. This must have been obvious to Zoe Harcombe, the claim that she had no idea where it came from was just theatre.
More disturbing surely is that none of the "experts" she asked could tell her either?
 

Guzzler

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She was talking about the weight that people put on by consuming a certain amount of calories is not equivalent, which I agree with. What is not disputed is that all substances have a calorific value and for fat that is 9 Cals/gram. From which the figure of 3,500 Cals/lb is calculated. This must have been obvious to Zoe Harcombe, the claim that she had no idea where it came from was just theatre.

Sometimes you just come across as contrary.