Is a calorie really a calorie?

KWlosingit

in regards to the lactose intolerance this research they are doing is very interesting about how the type of lactose in cows milk has changed because of the types of cows we are using for milk.

http://www.independent.co.uk/life-style/food-and-drink/features/cows-milk-for-the-lactose-intolerant-the-turning-pint-9704759.html

stevencloser

ccsernica wrote: »

stevencloser wrote: »

It's not the diet you're designed for, it's the one you're used to. Introduce a vastly different lifestyle and your body needs to adapt, and it will. You don't go to gym for the first time, try to go for the big ones right away, fail miserably, then leave saying your body isn't designed to lift stuff either. You adapt, the more gradually you do it the less uncomfortable it'll be.

This is only partly true. Lactose intolerance is an example. http://www.slate.com/articles/health_and_science/human_evolution/2012/10/evolution_of_lactose_tolerance_why_do_humans_keep_drinking_milk.html The ability to tolerate lactose into adulthood, and so be able to use fresh milk as an energy source, is a mutation that arose relatively late in human history, and even now it's not universal. The Wikipedia page on lactose intolerance is written as if lactose tolerance is the norm, but that's not necessarily true. If you happen to belong to an ethnic group where lactose tolerance is rare, you're unlikely to be able to develop a tolerance for it no matter how much of it you subject yourself to.

Lactose tolerance comes from keeping an enzyme through adulthood that normally animals lose after weaning.
There's no enzyme for "eating more meat than you're used to" though.

ccsernica

stevencloser wrote: »

ccsernica wrote: »

stevencloser wrote: »

It's not the diet you're designed for, it's the one you're used to. Introduce a vastly different lifestyle and your body needs to adapt, and it will. You don't go to gym for the first time, try to go for the big ones right away, fail miserably, then leave saying your body isn't designed to lift stuff either. You adapt, the more gradually you do it the less uncomfortable it'll be.

This is only partly true. Lactose intolerance is an example. http://www.slate.com/articles/health_and_science/human_evolution/2012/10/evolution_of_lactose_tolerance_why_do_humans_keep_drinking_milk.html The ability to tolerate lactose into adulthood, and so be able to use fresh milk as an energy source, is a mutation that arose relatively late in human history, and even now it's not universal. The Wikipedia page on lactose intolerance is written as if lactose tolerance is the norm, but that's not necessarily true. If you happen to belong to an ethnic group where lactose tolerance is rare, you're unlikely to be able to develop a tolerance for it no matter how much of it you subject yourself to.

Lactose tolerance comes from keeping an enzyme through adulthood that normally animals lose after weaning.
There's no enzyme for "eating more meat than you're used to" though.

Right. Therefore, what you said earlier is only partially true. Even if mostly true, that's still partial.

Since the OP specifically mentioned lactose intolerance, it's relevant.

dudebro200

stevencloser wrote: »

ccsernica wrote: »

stevencloser wrote: »

It's not the diet you're designed for, it's the one you're used to. Introduce a vastly different lifestyle and your body needs to adapt, and it will. You don't go to gym for the first time, try to go for the big ones right away, fail miserably, then leave saying your body isn't designed to lift stuff either. You adapt, the more gradually you do it the less uncomfortable it'll be.

This is only partly true. Lactose intolerance is an example. http://www.slate.com/articles/health_and_science/human_evolution/2012/10/evolution_of_lactose_tolerance_why_do_humans_keep_drinking_milk.html The ability to tolerate lactose into adulthood, and so be able to use fresh milk as an energy source, is a mutation that arose relatively late in human history, and even now it's not universal. The Wikipedia page on lactose intolerance is written as if lactose tolerance is the norm, but that's not necessarily true. If you happen to belong to an ethnic group where lactose tolerance is rare, you're unlikely to be able to develop a tolerance for it no matter how much of it you subject yourself to.

Lactose tolerance comes from keeping an enzyme through adulthood that normally animals lose after weaning.
There's no enzyme for "eating more meat than you're used to" though.

Doesn't mean there needs to be specific enzyme. According to 23andme, I have a set of genes that increases my chances of colon cancer by 10 fold. What that means is that they correlated these genes with a specific life outcome. It doesn't necessarily mean that they understand the functional relationship between these genes and the life outcome.

It could very well mean that my digestive track isn't designed to process meat quantities that many others could tolerate. If I eat too much meat, even if I eat enough fiber, I will get constipated. This is what the 23andme result could really mean. Constipation and colon cancer is highly prevalent throughout my extended family. Meat consumption may be the root cause of this.

Ethnicity based diet programs make sense to me, and I have a feeling this recent genetic discovery is only the tip of the iceberg.

leanjogreen18

In terms of taste - no
In terms of satiety - no
In terms of nutrition - no

In terms of energy - yes

mph323

dudebro200 wrote: »

stevencloser wrote: »

ccsernica wrote: »

stevencloser wrote: »

It's not the diet you're designed for, it's the one you're used to. Introduce a vastly different lifestyle and your body needs to adapt, and it will. You don't go to gym for the first time, try to go for the big ones right away, fail miserably, then leave saying your body isn't designed to lift stuff either. You adapt, the more gradually you do it the less uncomfortable it'll be.

This is only partly true. Lactose intolerance is an example. http://www.slate.com/articles/health_and_science/human_evolution/2012/10/evolution_of_lactose_tolerance_why_do_humans_keep_drinking_milk.html The ability to tolerate lactose into adulthood, and so be able to use fresh milk as an energy source, is a mutation that arose relatively late in human history, and even now it's not universal. The Wikipedia page on lactose intolerance is written as if lactose tolerance is the norm, but that's not necessarily true. If you happen to belong to an ethnic group where lactose tolerance is rare, you're unlikely to be able to develop a tolerance for it no matter how much of it you subject yourself to.

Lactose tolerance comes from keeping an enzyme through adulthood that normally animals lose after weaning.
There's no enzyme for "eating more meat than you're used to" though.

Doesn't mean there needs to be specific enzyme. According to 23andme, I have a set of genes that increases my chances of colon cancer by 10 fold. What that means is that they correlated these genes with a specific life outcome. It doesn't necessarily mean that they understand the functional relationship between these genes and the life outcome.

It could very well mean that my digestive track isn't designed to process meat quantities that many others could tolerate. If I eat too much meat, even if I eat enough fiber, I will get constipated. This is what the 23andme result could really mean. Constipation and colon cancer is highly prevalent throughout my extended family. Meat consumption may be the root cause of this.

Ethnicity based diet programs make sense to me, and I have a feeling this recent genetic discovery is only the tip of the iceberg.

This is enlightening, and I mean this sincerely. The results of genetic testing can be terrifying. The outcome is often a list of genetic combinations associated with shortened lifespans and fatal diseases, but the information isn't specific enough to use to create a lifestyle plan to avoid or mitigate the risks. Even knowing that correlation isn't the same as causation isn't necessarily helpful because, well, the genie's out of the bottle and the potential is always there at the back of your mind, whether or not the information is useful on a personal as opposed to a population level.

The best you can do is experiment with what works for you, observe what may or may not work for other family members, and beyond that understand that there are more things in life that are out of our control than within it. I find that for me, letting go of the need to control the uncontrollable is the only way I can get up every morning and move on with my life. I hope you find your own way.