Sibling Rivalry

Does anyone actually know which specific health issues an undernourished person might face? I mean, I’m aware there’s a much higher risk for things like osteoporosis, but what else are we talking about here? Does anyone have any insight into the other complications?

Wait, which ones specifically aren't available?🙂

Let’s start with the absolute basics—if you scroll all the way down to the bottom of the page, you'll find these links: http://en.wikipedia.org/wiki/Malnutrition

Now, I suppose it really depends on what exactly is missing from the diet, doesn't it? Are we talking about a specific nutritional deficiency—say, scurvy if there's a lack of ascorbic acid, or perhaps beriberi if B3 is low—or is it a more general state of malnutrition? It also matters how long this has been going on and just how severe the situation is. You see, it can interfere with hormone synthesis, which then triggers a whole cascade of other issues... things like stunted growth, skin problems, neurological complications—you name it...

Won't this weaken the immune system too?

Then you just sit around and wait to catch whatever's going around on the street... 😁

gentlecanyon92 said:won't that weaken the immune system too?

And then—well, you just sit there waiting for whatever germs are floating around out in the open air to catch you... 😁

I should probably mention malignant changes as well.

Oh, please—don't let it rattle you too much! It isn't always an irreversible situation, you know? But really, who exactly is being kept in the dark here?

You can actually lose your period

coppergardener said:Who exactly is being coddled here?

My boss, I suppose. Honestly, I actually find myself worrying about him—but at least I know he won't be dealing with the sudden loss of his period.

If we’re strictly looking at BMI metrics, anyone sitting below an 18.5 threshold is technically classified as underweight. But I mean, what does that actually signify for someone who, say, has a BMI of 17.5?

Tumors occurring in malnourished states are a direct consequence of a weakened immune system... just a small observation, though, that malnutrition in any form is merely one of many causes of such depletion.

Michelle Reed33 said:If we’re strictly following BMI metrics, anyone with a BMI under 18.5 is considered underweight. So, what kind of physical state is someone actually in if they have a BMI of, say, 17.5?

I honestly don't know—it's all so incredibly subjective, isn't it? BMI isn't always the most reliable yardstick we have. You see plenty of very thin people who function perfectly well despite having a low BMI; there are so many other variables at play here! For instance, age plays a massive role, and then there is the matter of physical exertion—how much strain an "underweight" person puts on their body through daily activity can completely change how they fare. It's much like what Sam Hall15 was mentioning earlier—malnutrition (in its broader sense) is just one single cause among many. While people often use the terms interchangeably, it doesn't necessarily mean the issue is simply about the quantity or quality of food consumed. It could be something else entirely, perhaps an underlying medical issue like a malabsorption syndrome, which brings us back to the question of why and how... and for that, one really ought to consult a physician.

If someone is just overweight, it can function quite normally in many contexts. Or take smokers, for instance. We all know that being overweight and smoking both significantly spike your risk for various conditions—everything from heart attacks to cancer and diabetes. What I’m really curious about is whether being slightly underweight increases the risk for any specific diseases ? Aside from osteoporosis, obviously. And that's assuming the person doesn't have a compromised immune system, which is entirely possible, isn't it?

Of course, considering the heightened risk for secondary conditions, malnutrition itself constitutes a disease rather than just a symptom.
Other ailments stemming from malnutrition include increased protein catabolism and its various repercussions: hypoproteinemia, edema, fluid transudation into intercellular tissues, and muscle weakness—which can progress to respiratory muscle failure and death via respiratory insufficiency.
Furthermore, elevated blood lipids lead to significant damage across multiple organs and their vital functions.

That’s exactly what I was looking for, Sam Hall15! 👍
Since we're treating malnutrition as an actual medical condition here, what are the specific symptoms we should be watching out for? How do you even catch it early on? Is it something that shows up in a standard blood panel, maybe?😕

The symptoms generally involve weight loss, muscle wasting, and spontaneous bleeding caused by vascular weakness and clotting factor deficiencies. You also see vitamin deficiencies along with their typical side effects, diarrhea, and steatorrhea, alongside frequent infections or infestations. In extreme, sub-lethal cases, various tumors may eventually develop.
Specific variations include kwashiorkor—characterized by protein loss—as well as marasmus, which involves severe general malnutrition, and cachexia, typically seen in terminal stages related to cancer.
While there isn't one single specific finding, the clinical assessment relies on differential blood counts, standard biochemical panels, albumin and globulin levels, lipid profiles, coagulation studies, and electrolytes...

People have been telling me my whole life that I don't eat enough—as if that's some kind of flaw. Honestly, I feel perfectly fine; I just happen to be on the leaner side at 5'9" and 117 lbs.

Well, you have been lied to your entire life
if you have always believed such nonsense 😁

I actually went through a period of severe malnutrition where I weighed only about 105 pounds at 5'11"...

My period completely disappeared for six months...
Then my hair started falling out, and honestly, sitting down was painful because my bones were so prominent, not to mention dealing with constant mouth ulcers.
The reason was basically that for 40 days I barely ate anything at all, just snacking on some Cocoa Puffs and sipping tea.
The aftermath? Crohn's disease.
If I remember correctly, my body was in a pretty dangerous state back then, but I eventually recovered, and now I guess I've swung too far the other way and am constantly overeating.

Sam Hall15 said:Honestly, I feel like you’ve been living a lie your entire life. It’s a heavy realization to swallow, I know, but maybe that's just how things are.
If you’ve always been this much of a hothead, I guess there's really no point in even trying to reason with you. 😁

With a BMI of 17.3, that person is objectively underweight. I mean, let’s be real here—are we all just being lied to at this point? It seems like the standards are shifting constantly, but by any reasonable medical metric used in the States, that falls squarely into the undernourished category. I guess it depends on who you ask, but you can't just ignore the numbers. Are we all just collectively pretending these statistics don't matter now?

That is exactly what I was looking for. Let me say it again:Does being slightly overweight actually increase the risk of developing certain diseases? I’ve been thinking about this quite a bit lately, and honestly, it feels like such a loaded topic depending on who you ask. I guess what I'm trying to get at is whether that extra little bit of weight—not even full-blown obesity, just being a bit on the heavier side—really acts as a catalyst for chronic health issues. Maybe it does, or maybe the science isn't as black and white as the fitness influencers make it out to be. It seems to me that there is a massive amount of nuance here that often gets lost in the shouting matches online. I suspect there might be some correlation between a higher BMI and things like Type 2 diabetes or cardiovascular issues, but I also wonder if we oversimplify the whole thing. Is it the weight itself, or is it more about metabolic health, diet, and lifestyle factors? I'd love to hear what everyone else thinks, because frankly, the way people jump to conclusions about body weight and disease risk can be incredibly frustrating. So, I’ve been seeing this question floating around lately, and honestly, I feel like we need to have a serious discussion about it. Does Rebecca Barrett49 actually need to be worried that her low body weight might lead to some underlying health issues down the road? I mean, look, I’m not exactly a doctor—and I should probably hedge my bets here because everyone’s physiology is different—but there is definitely a conversation to be had regarding long-term wellness. It isn't just about how someone looks in a mirror; it’s about whether the body has enough fuel to maintain its vital functions over time. I guess you could argue that being naturally thin is just one way to exist, but if we're talking about clinical underweight territory, then yeah, there are legitimate physiological risks to consider, like bone density or immune response. Maybe it's not an immediate crisis for everyone, but it’s certainly something worth monitoring if you want to stay healthy in the long run.

To be officially diagnosed, one must present with a specific set of symptoms resulting from low body mass, rather than just having a low BMI. A person can meet all other health markers perfectly and still be underweight due to their natural constitution. It would be difficult to classify them as ill, though it remains true that they may face an increased risk for certain conditions...

Hey there.
I’m 5'5" and barely 100 lbs, currently 23 years old. I’ve always been this thin, and honestly, every time I’ve gone in for blood work, everything comes back totally normal. But man, trying to put on weight is such a struggle... especially now that I'm dealing with anxiety, panic attacks, and gastritis on top of everything else. Does anyone have any actual advice on how to pack on some pounds while juggling all this? thanks 🙏