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A blow to the CICO theory of obesity: Pre-fertilization-origin preservation of brown fat-mediated energy expenditure in humans
I find this noteworthy for three reasons —
There’s possibly an easy and natural intervention for obesity. The Japanese neurotically dress for the weather, so how great will the effect be for those who accept the cold? “College woman walking to a party in winter wearing a short dress” was a joke when I went to school, but it was apparently pro-natal. Is it the fluctuation which is most significant? Does it need to be tied with the day-night cycle?
This is more evidence that humans are shockingly attuned to specific conditions they evolved in, which should be reverse-engineered to find more potentatial interventions for human flourishing. We are much more animal than we like to admit.
How many other “willpower problems” have less to do with willpower and more to do with 2nd and 3rd order effects which are hidden from us, or which compound invisibly? There are probably many more for obesity alone.
A) CICO necessarily follows from the Second Law of Thermodynamics, which is perhaps the most confirmed scientific theory of all time. The day you disprove it is the day physics gets really, really weird and reality as we know it ceases to make sense. So CICO is a theory in the sense that conservation of energy is a theory, which is to say it is as cold and hard of an absolute as we know to exist in the universe, no amount of obesity cheerleading will change that.
B) The effects noted in the study are frankly not that big. Like a 3% increased likelihood of active brown adipose tissue, which might increase total energy expenditure of the bodies resting metabolism of up to 5%. So conceiving in the winter gives your baby a slightly higher chance of being slightly better at burning energy, which is only a benefit if you live in a post-scarsity world.
"You eat too much and you dont exercise enough" remains the core of any and all successful diet criticism.
The motte version of CICO, which could be described as "any caloric input that isn't output is necessarily stored" follows from the Second Law of Thermodynamics, but the bailey version used to dismiss other people's difficulty in losing weight as only self-control issues, which you've expressed as "You eat too much and you dont exercise enough", does not, because exercise is not the only way calories are output, fat is not the only way an input can be stored and absorbtion rates can vary.
Even if absorption rates vary, the thing is that you cannot absorb more energy than there is in the food you eat. So sufficiently restricting calories necessarily results in reduction of mass.
Yes, indeed, but the "sufficiently" part can be much crueler on some people than others for reasons outside of self-control.
Agreed, and hopefully nobody would dispute that. I think what's being pushed back on here is the very strong claim in the OP of "A blow to the CICO theory of obesity". Given that due to the basic laws of physics CICO must be true, it's not really accurate to say that it has received a blow. That does not mean that focusing on CICO is the best strategy for any given person to effect weight loss, but the basic physical principle is true for them even if they struggle to make use of it in their lives.
Nobody brings up CICO as merely an underlying physical mechanism. The implication of CICO is always "therefore, the way to lose weight is to eat less and exercise more, and it's your own fault that you are fat".
People who are against CICO are not denying thermodynamics; we are disputing that this is in any way a practical guide to action. It's like saying "the way to get rich is to earn more and spend less".
I mean, the OP is denying thermodynamics.
You're right that CICO in itself is not a practical guide to action. It's a description of what's happening. A practical guide to action would be one that helps you burn more calories than you eat. There isn't a universal solution for that, though unless you have an extremely unusual metabolism, the low-hanging fruit of "eat less and exercise more" will work, and the reason it doesn't work for you is that you don't like to eat less and you don't like to exercise more. This is true of most people, and while entirely understandable, it does not actually debunk the reality of CICO.
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To be blunt: it is people's own fault that they are fat. It doesn't just happen, they made choices that led to that point. Perhaps there exists the occasional edge case where someone has a genuine medical condition that is hindering them, but the overwhelming majority of cases come down to bad personal choices and the consequences thereof.
And this isn't just about assessing blame - much like with addictions, you can't make progress until you acknowledge your own agency and the fact that you will need to make different choices if you want to get to a different place in life. The battle doesn't end there, and you might need to come up with different strategies based on your unique circumstances. But the fundamental truth is that it really is about personal responsibility in the main.
That is in fact also true. Lots of people who are fairly poor bust ass, live within their means, and get ahead as a result. It's hard, and you can suffer setbacks from circumstances even when you do everything right. But the fundamental truth holds.
Is it fundamentally the poor's own fault they are poor?
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Up to a point. I recall stuffing myself with food, at least 4-5kcalories/day for 15yrs and my weight never got above 190 even though i was sedentary (all day on computer). That was three large meals, lots of snacks, and lots of soda. I didn't need willpower because my body decided to not store enough fat for my weight climb any higher. It's not a personal failing if for some people this threshold where surplus leads to fat storage is set too low or unreasonably low.
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It's really more like saying "the way to get poor is to spend more and earn less".
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I feel it is a necessary tonic to people who claim it is physically impossible for them to lose weight, choosing to blame the outcome on other people or nature itself. CICO is the reductio ad absurdum which proves that the ultimate locus of control cannot be found elsewhere.
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