Those weird little bonuses page 45

[jfreaksho]

uhm? joke right?

The small calorie or gram calorie approximates the energy needed to increase the temperature of 1 gram of water by 1 °C. This is about 4.2 joules.

doesnt matter what you burn, it isnt going to create more than 4.2 joules

Doesn't this assume that your body is processing calories from fat and calories from carbs in more or less the same manner, and extracting all the available energy from both?

I'm not going to lie, I have no idea if what I said earlier is correct or not, but what you said seems to be rather like "calories in, calories out". Isn't it possible that the difference in the way your body processes the two types of fuel could include a difference in heat? It won't create more than 4.2 joules, but they both could create less and still have a difference.

Maybe my perception of temperature is different since I spent a year on a subtropical island, but I feel like my hands are more consistently cold than they used to be. Maybe I spend too much time sitting around. Maybe I've lost insulation along with those forty pounds.

The more I think about it, though, I'm probably just aware of it more because people here mention that being fixed for them, and it isn't for me. I can remember sitting at my old job with cold hands, like I did today.

In summary, I'm probably full of crap, but I'm not convinced you are necessarily correct either.

[quelsen]

:-)

That is OK.

Since I went Ketogenic I have noticed an increased perception of heat, however since i am fastidious about taking my temp it has only increased about 0.6 degrees on average.

Given both our experiences i surmise that variances of 0.2 degrees are extremely noticeable :-)

however the body doesnt really burn sugar anyway. it burns lipids. it turns the glucose into lipids, and that takes energy so maybe carbs burn colder?

[Bron]

I'm just a whole little bundle of happiness now. Can't help myself, I'm so darned happy and optomistic, it's almost sickening

[athomeontherange]

I'm just a whole little bundle of happiness now. Can't help myself, I'm so darned happy and optomistic, it's almost sickening

yup- gross!
LOL

[LJH]

I'm just a whole little bundle of happiness now. Can't help myself, I'm so darned happy and optomistic, it's almost sickening

Well snap out of it - the World is a horrible place and we're all doomed.

JK

I know what you mean. I've always been a bit Pollyanna-ish, but this is ridiculous. Pretty cool, ain't it?

[CattyB]

I can function like a normal human being at this time of year!!!!

I haven't been "happy" in mid-winter since childhood. Seasonal Affective Disorder sucks! Every day I'd get home from work, not care what my kids did at school, what they were saying at the moment, what was for dinner, DH had to leave me alone or get his head bit off -- I just wanted to fall asleep in my recliner. The rest of the world could go $)^#w itself... or not. I just didn't care.

I'm still no one's idea of Happy-Happy-Joy-Joy, but helped my son with homework, ran out and spent one of my gift cards and built some killer beef stew with parsnips last night AFTER the sun went down! I enjoyed getting ready for Christmas, am looking forward to New Year's Eve --- and attribute it ALL to living mostly Primal.

I haz a lyfe!

[twa2w]

"The small calorie or gram calorie approximates the energy needed to increase the temperature of 1 gram of water by 1 °C. This is about 4.2 joules.

doesnt matter what you burn, it isnt going to create more than 4.2 joules "

Better check your definition of a calorie. A food calorie is actually a Kcalorie IIRC.

Also a fair amount of recent reseach that upsets the CW around how many calories in different macro nutrients and how much food preparation can affect calorie burn.

Cheers
J

[quelsen]

"The small calorie or gram calorie approximates the energy needed to increase the temperature of 1 gram of water by 1 °C. This is about 4.2 joules.

doesnt matter what you burn, it isnt going to create more than 4.2 joules "

Better check your definition of a calorie. A food calorie is actually a Kcalorie IIRC.

Also a fair amount of recent reseach that upsets the CW around how many calories in different macro nutrients and how much food preparation can affect calorie burn.

Cheers
J

multiply the small calorie by 1000 to get a kilocalorie, but i would have expected that to be obvious.

Would love a citation on the difference from the standard protein = 4 carb = 4 and fat = 9

[jfreaksho]

multiply the small calorie by 1000 to get a kilocalorie, but i would have expected that to be obvious.

Would love a citation on the difference from the standard protein = 4 carb = 4 and fat = 9

I think that standard wisdom comes from burning a known amount of food and measuring the heat expended. The problem is that your body doesn't burn calories in quite the same way- as we all know, carbohydrates are processed by your body differently than fats, which is processed differently than proteins. None of this involves "burning" like is done in a caloric chamber, or whatever they are called. I don't have any citations and I don't feel like looking right now, but it seems logical that
1. Some of the chemical reactions that your body uses to process carbohydrates might produce more or less heat than some of the reactions that your body uses to process fats or proteins.
2. Carbohydrates, depending on type, may be excreted in greater or lesser amounts than fats, depending on type.

If we're going pure fat against pure glucose... I still have no idea. I'm just postulating.

One anecdotal piece of evidence that goes against my line of reasoning (that carbs produce more heat) is that the Army, once upon a time, would feed very high-fat diets to soldiers stationed in very cold places. The extra calories were needed to maintain body heat, which is a huge expense of calories in cold weather, and a good part of the reason Michael Phelps needs 8000 calories per day (as water of a given temperature draws more heat from your body than does air at that temperature).

I'm pretty sure my original theory was wrong, but it's still an interesting question.

[quelsen]

:-) Bonus points to you sir