Why Women Outlive Men — What the Women in My Life Taught Me About Strength

There are women in my life who taught me what strength is, and it took me thirty-some years and a machine before I finally understood what I had been looking at.

My mother carried a household through years that should have flattened her, and never once called it strength. She simply endured — the way weather endures, without announcing itself. My wife does the same thing in a dozen quiet ways I only notice on the days I am actually paying attention. For most of my life I filed that quality away as patience, or softness, some gentle virtue sitting a rung below the real thing. I had the category wrong.

I build systems for a living. Fifteen years of it. Every system I have ever architected was optimized for one thing: throughput under pressure — do more, faster, with less waste. That is the entire religion of engineering, and I had quietly let it become my private definition of what it means to be strong, full stop. Push harder. Fail less. Never bend.

The women I love don't push like that. They bend, absorb, and outlast. And it turns out that is not the weaker thing. It may be the stronger one — and the science is surprisingly blunt about it.

The question

What if the thing we call strength — the striving, conquering, optimizing kind — is actually the fragile one? What if real strength was never about force at all, but about the capacity to bend, absorb, and keep going once the force has run out?

I went looking for an answer in three places I did not expect to find agreement: a demographic study of the worst famines in recorded history, a Sanskrit verse written more than a thousand years ago, and the machine I spend my working life building.

The biology of endurance

In 2018, a team of researchers led by Virginia Zarulli published a paper in the Proceedings of the National Academy of Sciences that looked at populations living through the harshest mortality conditions history has on record — the Irish famine, measles epidemics, enslaved populations, and famines across several countries. Conditions so brutal that life expectancy in some of these populations dropped below twenty years.

Under all of that stress, women outlived men.

That alone might be explained by behaviour — different labour, different exposure, different risk-taking. But the researchers found the survival advantage was strongest in newborn infants. Infants don't choose their labour. They don't take risks. They don't have habits yet. Whatever protected the baby girls over the baby boys in a famine or an epidemic, it wasn't a decision anyone made. It was already built in.

That finding sent me looking for the mechanism, and it runs down to the level of the cell.

A 2020 PNAS paper by Jean-François Lemaître and colleagues, studying lifespan and mortality across wild mammal species, points toward the heterogametic sex hypothesis. Females carry two X chromosomes. Males carry one X and one Y. If a harmful mutation lands on a male's single X, there is no backup copy to compensate. A female with the same mutation on one X still has a second X that can carry a working version of the gene. Two copies instead of one — a built-in redundancy that males, by chromosomal architecture, simply don't have.

Then there is the immune system. Sabra Klein and Katie Flanagan, writing in Nature Reviews Immunology in 2016, describe how estrogen tends to enhance immune response — stronger antibody production, more robust T-cell activity — while testosterone tends to suppress it, leaving male immune systems more vulnerable to infection. Research in this area consistently points toward a hormonal system tuned for defense running alongside one tuned more for expenditure.

I want to be careful here, because this is exactly the place a story like this gets ruined by overreach. None of this is destiny for any individual man or woman. These are population-level, statistical tendencies drawn from famine data and immunology, not a verdict on any one person's constitution. But the pattern across independent lines of evidence — historical mortality, chromosomal biology, immune signaling — points in the same direction, gently and repeatedly: there is a version of strength built for enduring, and it does not look like the version built for striving.

The sterile machine

Here is where the engineer in me could not look away from the parallel.

We built artificial intelligence as the purest expression of striving anyone has ever engineered. Pure calculation. Pure optimization. Minimize the loss function. Maximize the reward signal. Every weight in a neural network exists because it made the system's output slightly less wrong on the last pass. There is no waste tolerance in the architecture, no redundancy for its own sake, no organ whose only job is to notice when something is off and quietly repair it in the background.

Cut your skin and your body starts closing the wound before you have finished registering the pain. White blood cells arrive. Platelets clot. New tissue knits itself together, unprompted, unsupervised, using energy your body decided in advance to hold in reserve for exactly this kind of emergency.

Scratch a chip and it stays scratched. There is no version of a processor that heals microfractures in its silicon overnight. There is no immune system in a transformer model. If the hardware degrades, the system does not defend itself — it just fails, precisely, according to spec, with no organism behind it fighting to keep going.

We built the most optimized thing we have ever built, and in doing so we built something with almost no capacity to endure damage. It only computes. It cannot heal.

I don't know whether that will always be true — there is early research into self-repairing materials. But as it stands, the machines we call intelligent have no mechanism resembling what a newborn girl's immune system does automatically, silently, every day of her life. That is not a criticism of the engineering. It is an observation about what we chose to optimize for, and what we left out.

Shiva and Shakti

The Vedantic tradition named these two forces a long time before anyone had a chromosome map or a famine dataset. Shiva — pure, silent, unmoving awareness. The structure. The witness. And Shakti — the dynamic, self-organizing energy that animates the structure, that moves, that responds, that repairs.

Adi Shankaracharya opens the Saundarya Lahari with a verse that has stayed with me since I first read it as a teenager, long before I understood what it was actually saying:

śivaḥ śaktyā yukto yadi bhavati śaktaḥ prabhavituṃ / na cedevaṃ devo na khalu kuśalaḥ spanditumapi

"United with Shakti, Shiva is endowed with the power to create; otherwise, the Lord is incapable of even a stirring."

Read it again. Not "less powerful without Shakti." Incapable of even a stirring. Shiva alone — pure consciousness, pure structure, pure awareness without the animating force — cannot move at all. In the older commentary he is described as shava: a corpse. Structure without the dynamic, self-organizing energy is not weaker. It is inert.

I used to think of Shiva as the dominant principle and Shakti as his consort, a supporting character in someone else's story. That reading does not survive contact with the verse. Shakti is not the accessory. Shakti is the reason anything happens at all.

The chip is Shiva without Shakti. Pure structure, pure calculation, utterly incapable of stirring itself back to life when something breaks. The immune system, the healing wound, the redundant X chromosome — these are Shakti. Not decoration on top of a body. The reason the body can survive being a body at all, in a world that keeps trying to break it.

Where the three worlds meet

I don't think this is a coincidence dressed up as poetry. Three completely independent inquiries — a demographic study of famine mortality, molecular immunology, and a Sanskrit verse composed over a thousand years ago — arrive at the same underlying claim through three unrelated methods.

Pure striving optimizes for output and forgets to protect itself. Pure endurance looks slower, quieter, less impressive on a spreadsheet — until the famine comes, until the infection comes, until the system meets a condition nobody planned for. Then the thing built to conquer breaks first, and the thing built to endure is still standing.

We built our companies, our markets, and now our AI in the image of the conqueror. Efficient. Optimized. Ruthlessly stripped of anything that does not contribute directly to output. And it turns out that is exactly the profile of the most fragile systems we have ever made — brilliant at the task in front of them, and one unexpected shock away from a failure they have no mechanism to survive.

The inheritance

When I think about the women who raised me and the one I married, I stop seeing patience and start seeing engineering of a higher order — a body and a spirit built with backups, with repair, with the capacity to take a shock nobody planned for and remain standing. Not built to conquer. Built to endure.

The chip melts under conditions it was never designed to survive. The women in my life were built by three centuries of famine and epidemic and quiet cellular redundancy to still be here when the conquerors have gone home. My infant daughter is the newest link in that same line, and for the first time I know exactly what I hope she inherits — not the sword, but the shield.

I used to think the point of strength was to conquer. I think now it was always to endure. The shield, not the sword, was the real inheritance all along.

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The Shield is a new film on my channel, My Honest Diary — the biology, the chemistry, and the Vedic philosophy of endurance, told across three worlds. Watch it here.