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The bit about the 1944 study and how they rebounded eating way more food after their starvation really struck an emotional chord with me.
I had a few years of financial struggle as a high schooler and student, to the point where I was constantly hungry and very skinny. It was a bit of a traumatic time for me for other reasons, and this article gave me more insight into another dimension of it.
Since I hit a career stride and haven't been walking nearly as much, I've been at my largest ever. A kind of eternal overcompensation. My father also sometimes excused wasteful grocery expenditure saying "I've gone without before; I refuse to do it again".
Been there as well. Took me a while to recognize I did not have to finish every plate of food, that i could either save it for later when i was hungry again or just throw it away.
I don't want to waste food, but I need to regularly remind myself that overeating is also wasting food.
I always felt the real lesson to be learned from finishing your plate was to not overfill it in the first place.
As a descendant of italian immigrants, I am still struggling with that
>> I had a few years of financial struggle as a high schooler and student, to the point where I was constantly hungry and very skinny
Why didn't you just steal food?
That's what I did when I was poor. There's a store the size of a city block a 5 minute walk away from me, there are tons and tons of food stacked up in that store, any type of food you could want, and I'm going to go bed hungry? That didn't really make sense to me. I never went to bed hungry.
I respect property rights now, of course, because my belly is full.
When I was poor and in high school, I lived alone for a very long while in a house that my dad had started to remodel but then he got distracted by a woman and moved to her place. This meant winter in a house in the mountains literally missing a whole wall.
We lived in the middle of nowhere. I hitched rides to school from friends, neighbors, and rarely family. There was no store to steal from, so I stole food from the school.
I was on free lunch, so I'd steal an extra hamburger, sell it for half price to a kid for 50 cents, and I would use that to buy a can of soup when I could get someone to stop by the store. That would be my dinner that I cooked over a wood burning stove since I could warm up that bedroom but the kitchen was missing a wall and was _cold_ (between 20-40 Fahrenheit, but, again, poor, so no good warm clothes). My dad would give $20 every now and then, and I'd use that to buy potatoes that I'd heat in a toaster oven.
A plain potato, a school lunch hamburger, and usually a 50ish percent chance for can of soup was what I ate. I was skinny and hungry. A few years later, I would be able to eat regularly (and now I am doing more than ok), but it took nearly two decades to be comfortable throwing out a plate of food; the poor, hungry kid in me wasn't sure when the next food would come even though I now had food aplenty.
If there was ever a line between sarcasm and questionable advice, this comment does a good job of walking on it.
>I respect property rights now, of course, because my belly is full.
I was getting food regularly, just not enough. 2 peanut butter sandwiches, plates of rice and minimal meat don't do much when you walk 2h a day on average.
I was broke and not in a position to help myself as much as I was studying and building my skillset, not absolutely despondent.
In rich country, one likely can apply for some food stamps if can't afford food.
In poor country, store owners are likely not that rich too, and will fight hard those who steal.
I think the literature is clear enough on the difference between calory restrictions and intermittent fasting. The latter being much effective because it also reduces the production of hunger hormone, not the case with the former approach.
Everything was vigorously wiped with alcohol because any bacteria would be injected straight into my heart.
Anyone with a serious medical condition that requires home care on par with hospital care deals with this -- often, while at their very worst. It's probably one of the scarier aspects of living with a serious chronic condition.
> As the experiment progressed, Ancel Keys, the nutritionist running the study, noticed odd psychological effects.
As we know now, Keys was a truly unscrupulous fellow. He took bribes from the AHA to lie about the effects of saturated fats and animal fats on heart disease.
Can you provide a source for this assertion?
The post says that the TPN solution is fed slowly and that the body barely reacts.
What if it was intentionally fed with periodic bursts, simulating strong blood sugar, fat and protein spikes from eating and triggering stronger insulin responses with resulting lows? I wonder if that would substantially change the experience.
Maybe tuning the nutrition mixture. I vaguely remember the journey of the Soylent guy experimenting with the composition and hitting various snags along the way before he finally got to a point where it made him feel satisfied and not crave any other foods. Soylent still has the mechanical feeding sensation though...
Sometimes medical developments plateau when it reaches a point of working, before it reaches the point of being good.
I think the whole framing was that the reason the problem space is hard, is that if you deliver too much at once, your body notices and treats it much like if it found splinters stuck in you - invasion of foreign mass to trigger inflammatory response.
I am not sure if the burning was related to inflammation. I recall the sensation of marker fluid aburning as it moves towards the heart, but it might just be a sensation rather than a reaction. Wasn't clear from the post at least.
Maybe one could burst only some convenient nutrition that is easier to deliver in higher doses like glucose, while still drip-feeding the bulkier macronutrients.
Another crazy idea could be to intentionally introduce glucagon and insulin to artificially induce highs and lows.
I'm sure it's a very hard problem space, but it might be one looking for a creative patient willing to put effort into further research...
Very dark, but also very insightful.
We take a lot of simple pleasures in our lives for granted. The feeling of stretching, scratching an itch, relaxing our muscles, sleep, the taste of food, the smells around us, feeling warmth or cold on our skin, etc.
I've wondered a lot about what a life would be like without these things - even if you were otherwise completely healthy.
It can be a strange experience, to try and describe to people, something missing from your shared vocabulary.
I had a number of rounds of an IV drug treatment 4 or 5 years ago, and on one and only one of them, shortly after being treated, I found myself feeling a strange sensation, one that I couldn't place, but that I definitely remembered having experienced before.
After 5 minutes or so of wondering and racking my brain, I placed it.
It was hunger.
At some point in my early teenage years, that particular piece of wiring stopped working, and I didn't really pay much attention at the time, so I can't place precisely when, but I had no severe injuries or medical maladies crop up. The two likely causes of that are apparently a brain tumor or hormone problems, but my bloodwork and brain scans turned up nothing exciting then or since, so ...who knows. (I did, many years after this started, start drinking caffeine sometimes, but it doesn't stop happening if I stop drinking caffeine for months, so I don't think it's related. I'm not on anything stimulant-like or adjacent either.)
But it's a difficult thing to explain, the absence of that - and the knock-on effects, the absence of motivation to avoid it that results, the absence of satisfaction from eating causing it to vanish.
How you can sincerely ask "why am I having a pounding headache - oh I forgot to eat for 2 days", and not have had any sign unless you set deliberate calendar events and phone alarms to serve as a reminder that this basic feedback system is broken. (I usually don't need them, these days, because habit is a powerful thing, but I keep them around so that I don't become sufficiently sick or taxed by life that something breaks down and I forget...again.)
I can't exactly offer an A-B comparison of the difference, my memories of my childhood are not clear enough for that at this point, but while I will be sad if I end up not eating something especially tasty or unusual, there's not a visceral absence of satiation in it, it's an intellectual lament.
Hey this happened to me too.
I never feel hunger just the effects of not eating.
My thirst mechanism is messed up too.
If it wasn’t for my wife I’d be a real mess.
I at least eat one good meal a day because she does!
If I get really, really stoned I’m talking 500 mg of thc level stoned, I can feel hunger.
But that isn’t conducive to a good routine!
Well, certainly puts things in perspective, doesn't it?
If I had been born ~90 years earlier I would have died before I formed my first memory. That thought comforts me when I feel like life is unfair or difficult. The whole thing is a bonus for me… I should be dead. Maybe similar feelings provide some comfort for people who have to manage their lives with diseases like Crohns.
OK, but note that Crohn's (and ulcerative colitis) are nearly unknown in the developing world. For reasons we don't understand, they are caused by modernity. So 90 years ago having Crohn's would be much less likely. (Symptoms from both Crohn's and ulcerative colitis don't usually present until the teens or early twenties, so this is not a case of infants with the disease simply dying early in the developing world.)
I'm a fellow Crohnie.
Crohn's disease is a long, exhausting disease. I hope we see a cure in our lifetime.
Same and same. It broke my heart a little to read that this essayist got diagnosed at age 11... it's bad enough as an adult, but I can't even imagine dealing with it as a little kid :(
I've always thought we should have a digestive system bypass in the esophagus. Give us the joy of tasting, chewing, and swallowing food, but then have it go into an external bag before it hits the stomach.
Unfortunately, we also sense the mechanical filling of the stomach, and the movement through the bowels.
Unless you stop the hunger altogether I don't think you'll feel satisfied without the whole process.
It's not just that. I'm pretty sure your stomach and gut also provide information regarding caloric intake, on top of other sensors detecting the raise in blood sugars/lipids/aminoacids. And even if it didn't, you'll get hungry when your body/brain detects you've switched to using reserve power. If eating doesn't satiate the hunger by providing energy, the response would likely be to make you hungrier and hungrier.
> Unless you stop the hunger altogether
My understanding is this is how drugs like Ozempic work. They make you feel fuller quicker and prevent "food noise" where you think about food and eating even when your stomach isn't empty
The stomach has stretch sensors which is used to determine the feeling of fullness via the vagus nerve - somebody will hack it one day and no need for Ozempic.
Know what's weird to me? I don't get any pleasure out of swallowing food. Tasting, sure. Chewing, sometimes. But swallowing? Just a necessary mechanical coda, as emotionally laden as the period at the end of a sentence
But if someone suggests that we enjoy an ice cream sundae, but spit each bite into a bucket? Suddenly they're a reviled heretic!
Reminds me that typically I prefer smelling wine that tasting it and of course than swallowing it. I often find a wine very good by smelling it and am disappointed when I taste it. Of course it also depends on the wine. I mean on average.
Aristotle talks about gluttony in his book about ethics. He mentions a Greek gourmand who fervently wished to have the neck of a crane, since he felt that swallowing is the most pleasurable part of eating.
One of those reads that changes your perspective on life in a way.
The best meal I've ever had was clear chicken broth and it's not even close. Let me explain: in my 20s I was in a motorcycle accident. I was in a forced coma for over a week, and in the ICU for four weeks. No food, only an NG (nasogastric) tube. When they took the tube out, the first thing they gave me was a toothbrush. I brushed for something like five minutes, it was indescribably pleasant. Then they gave me a cup of clear chicken broth: basically salty water with something to color it yellow.
It. Was. Heavenly. I have literally never in my life enjoyed eating anything as much as I enjoyed sipping that broth.
That falls under the saying "No spice like hunger." It's just kind of an extreme situation for it.
I can relate, actually.
I had a terrible first pregnancy and threw up constantly for most of it. Once the baby was born, my husband rushed off to Burger King to get me a burger and fries and I wolfed it down. It was half gone before I realized what was "weird": I had been picking at my food for months.
I don't even usually eat burgers, but was also all "Wow, soooo good!"
The idea that taking away food also takes away what's human reminds me of Dazai Osamu's "Ningen Shikkaku"[1], where the narrator wrote in the first chapter that he had no idea what being hungry means, that he never understood what it means to feel hungry. People must eat to survive and thus must work in order to eat, but because the narrator never felt hungry, he does not understand how humans operated at all.
[1] https://en.wikipedia.org/wiki/No_Longer_Human
"No Longer Human" seem to be the official English title, although a more literal translation would be "disqualified as human".
I wonder how much appetite suppressants like GLP-1s could help here? They seem to hit appetite at a high level and curiously reduce other cravings or addictions, so they might be able to deal with the hunger here.
Well, that was some nightmare fuel early in the morning. I've been diagnosed with Crohn's almost 20 years ago, had two surgeries, and am currently on meds. No fistulas, thankfully, but the whole thing is a Damocles sword, nevertheless. Reading this made it a little extra sharp.
There’s an excellent Radiolab episode that ends with a similar story of someone on TPN. If you found this interesting, it’s worth a listen.
This is what pulled me out of an eating disorder as a teen. Got diagnosed with Crohn’s, also was put onto a mush-diet for almost half a year, and got so pissed over that timespan, that the primal joy of eating just straight up overpowered any sort of disordered obsessiveness i was fighting with before. Life is so damn strange.
When I was younger, I thought that we eat in order to live. Growing older, I realized that the opposite is true.
This really puts the two years my UC and I could only eat one meal for every meal in perspective. I eventually got used to being the weirdo who brought my own food, or just declined everything if we made spontaneous plans while we were already out.
But at least I could eat.
I'm amazed Stanley Dudrick didn't win the Nobel Prize for inventing TPN.
I wonder if a hunger inhibitor like ozempic would help