Hot Doesn't Equal Healthy

Before I eat, I tell myself: I'm not trying to lose weight.

It's become a habit — like checking that my stove is off before I leave the house, except the thing I'm turning off is a voice that's been running in the background for years. Taking up so much mental bandwidth. The one that does the math. The one that pokes and prods in the mirror and catalogs everything it doesn't like. The one that says maybe skip this meal, maybe eat less, maybe if you were just a little smaller you'd be a little hotter.

That voice sounds like it's looking out for me. It isn't.

Here's what I know now: I am at 25% body fat. I am healthy. And the research — actual peer-reviewed, large-scale, rigorous research — backs that up in a way that stopped me in my tracks when I first read it.

So let's talk about what we were taught versus what's actually true.

We Were Taught the Wrong Thing

For most of our lives, we've been handed one message: thinner is healthier. Leaner is better. The less body fat, the lower the risk. It was in the magazines, in the doctor's office, in the way "obese" became a moral judgment instead of a clinical description. The aesthetic body and the healthy body got fused together until most of us couldn't tell them apart.

But they're not the same thing.

In 2022, a massive meta-analysis looked at 35 studies, nearly a million adults, and over 68,000 deaths to answer one question: what is the actual relationship between body fat percentage and mortality risk?

The answer was a J-shaped curve. Risk goes up when body fat is very low. Risk goes up when body fat is very high. And the bottom of that curve — the sweet spot of lowest mortality risk — was at 25% body fat.

Not 18%. Not 15%. Not whatever number you've been chasing.

Twenty-five.

I'll be honest: when I read that, I had to sit with it for a minute. Because I am 25% body fat. And I've spent time — real time, mental energy, meals eaten with guilt — trying to be less than that. Turns out I was trying to climb out of the safest place on the curve.

(Jayedi A et al. Int J Obes. 2022. PMID: 35717418)

What "Healthy" Actually Looks Like for Women

Here's a number most people have never been told: the healthy body fat range for women is 20 to 30 percent.

Not 15. Not 18. Twenty to thirty.

That range exists for real physiological reasons. Women need more body fat than men — for hormone production, bone density, reproductive health, immune function, brain health. Fat isn't decorative. It's operational. Drop below about 20% and things might start to go wrong: periods disappear, hormones destabilize, bone density drops, recovery slows. The body interprets very low body fat as a famine signal and starts shutting down non-essential systems to survive.

But you'd never know that from looking at what we celebrate. The bodies held up as aspirational — in fitness marketing, on social media, in "transformation" content — are frequently below that range. We're being shown bodies that are, by clinical standards, under-fat. And we're being told they're the goal.

The research says otherwise. The bottom of the mortality curve for women sits comfortably inside that 20–30% range. Not at the bottom of it. Not at the edges of it. Right in the middle, where most women's bodies naturally want to be when they're fed and trained and not being told to shrink.

Underfat and Undermuscled: The Double Problem

Being underfat is one problem. Being undermuscled is another. Being both at the same time — which is exactly what chronic restriction and cardio-only fitness culture tends to produce — is where things get genuinely dangerous. And it can look completely fine from the outside. It can look like someone who "takes care of herself."

Here's why that combination is so harmful. Muscle isn't just about strength or aesthetics. Muscle is your primary site of glucose disposal — meaning it's how your body manages blood sugar. It produces anti-inflammatory signaling molecules. It supports cardiovascular function. It is, in a very real sense, a metabolic organ. The more you have, the more resilient your whole system is.

When you don't have enough fat and you don't have enough muscle, you have no reserves. No buffer. Your body has nothing to draw on when things get hard — illness, injury, stress, surgery, aging. You look lean. Your bloodwork might even look fine right now. But you're operating without a safety net.

This is what "skinny fat" actually describes — low muscle mass, insufficient protective fat, often combined with higher visceral fat from chronic stress and poor recovery. It's the body composition that diet culture quietly produces in women who are "doing everything right."

Eating less. Doing cardio. Staying small.

The fix isn't to lose more. It's to build more — muscle, capacity, reserve. To eat enough to actually train. To stop treating food as the enemy of the body you want and start treating it as the raw material for the body you need.

We Know When a Dog Is Too Thin. Why Is It So Hard to See in Women?

Think about the last time you saw a dog that was too skinny. You knew immediately. Ribs visible through the coat, hip bones jutting out, that drawn, hollow look around the face. You didn't need a chart or a body fat calculator. Something in you just recognized it — that animal is not well. That animal needs to eat.

We have that instinct. It's built in. We can see undernourishment clearly in animals, in children, even in men when it's severe enough.

So why is it so hard to see in women?

Because we trained ourselves out of it. Decades of media, diet culture, and "fitspiration" content systematically rewired what we recognize as healthy in a female body. The jutting collarbones, the visible ribcage, the absence of softness — these got rebranded as goals. As discipline. As the reward for doing the work. We learned to look at a woman who is clinically underfat and undermuscled and think: she's killing it. We learned to look at a woman in the healthy range and think: she could tighten up a little.

A dog with visible ribs gets taken to the vet. A woman with visible ribs gets asked for her workout routine.

That's not a small cultural miscalibration. That's a profound inversion of our own instincts. We know, somewhere in our biology, what healthy looks like. We just stopped trusting it when it came to ourselves.

The body fat that softens a woman's silhouette — the roundness in the hips, the fullness in the face, the belly that isn't flat — is not excess. It is, in many cases, exactly what her body needs to function. It's the subcutaneous fat that the 2022 meta-analysis found to be protective. It is literally the tissue keeping her healthier and alive longer. And the muscle underneath that softness? That's what makes her capable, resilient, and hard to break.

We've been looking at health and calling it a problem.

The Numbers Were Never Meant to Be Your Personal Rules

Back in 1996, researchers from the American Health Foundation wrote something that should've changed everything. They said — and I'm paraphrasing — that statistical standards for body weight and body fat percentage are fine as screening tools, but they should not be used as strict guidelines for every individual.

Because here's what actually drives health problems: abnormal blood sugar, insulin resistance, lipid imbalances — the metabolic dysfunction that happens when fat cells get overloaded and stop working properly. That's the mechanism. Not the fat itself.

And they found that metabolic markers — blood pressure, blood sugar, insulin sensitivity — often return to normal with physical activity and good nutrition, even when body fat stays the same.

You can get healthier without getting smaller.

(Abernathy RP, Black DR. Am J Clin Nutr. 1996. PMID: 8615340)

So What Are We Actually Chasing?

Here's my problem with the voice in my head that tells me to eat less and be smaller: it's optimizing for appearance and calling it health. And I fell for it for a long time, because the two got conflated so thoroughly I didn't even question it.

Hot doesn't equal healthy.

What actually predicts how long you live and how well you function isn't how you look — it's how you perform. Cardiorespiratory fitness, muscle mass, metabolic health. An unfit lean person has greater mortality risk than a fit person carrying more body fat. The shape of your silhouette is a terrible proxy for what's happening inside your body.

We were given aesthetic metrics dressed up as health metrics. And we wore them like they were facts.

My Pre-Meal Ritual

I'm at 25% body fat. Some days I still poke and prod. Some days the voice does its math.

And on those days, before I eat, I say it: I'm not trying to lose weight.

Because I'm not. I'm trying to be strong. Capable. Adaptable. Flexible in the mental-flexibility-on-a-trail sense, not the foot-behind-my-head sense. I want a body that shows up — on the mountain, through the hard years, into old age. I want to recover fast, carry heavy things, keep moving.

That body needs fuel, not restriction. It needs training, sleep, and food eaten without guilt. A caloric deficit might make the number smaller, but it also breaks down muscle and chips away at the very resilience I'm trying to build. I don't need less. I need more — more muscle, more capacity, more of the reserves that make me hard to knock down.

I am good just the way I am. I don't need to lose weight. I need to be strong and capable and hard to break.

And if a stranger can look at a skinny dog and know something is wrong — I can learn to look at my own reflection and know when something is right.

That's worth eating for.

References

1. Jayedi A, Khan TA, Aune D, Emadi A, Shab-Bidar S. Body fat and risk of all-cause mortality: a systematic review and dose-response meta-analysis of prospective cohort studies. Int J Obes. 2022. PMID: 35717418

2. Abernathy RP, Black DR. Healthy body weights: an alternative perspective. Am J Clin Nutr. 1996;63(3):448S–451S. PMID: 8615340