Science

Women Live Longer. So Why Aren't We Aging Better?

By Kim Fisher · Updated November 2026 · 5 min read

Women already live longer than men. That part is not up for debate.

What is finally being questioned is this: why do so many women spend those extra years feeling weaker, foggier and less like themselves, especially after menopause?

The uncomfortable truth is that longevity and healthspan are not the same thing. Lifespan is how long you live. Healthspan is how well you live inside those years.

And for many women, the gap between the two widens in midlife.

How big is the healthspan gap for women?

Bigger than most of us were told. A 2024 analysis in JAMA Network Open compared life expectancy with healthy life expectancy across 183 countries. Worldwide, people spend an average of 9.6 years living with illness at the end of life. In the United States the gap is 12.4 years, the largest of any country studied. And women's gap runs about 2.4 years longer than men's.

Musculoskeletal conditions are one of the drivers the researchers named. That is the part we can train.

Why does it widen after menopause?

Frailty isn't inevitable. Yet it is predictable.

The Study of Women's Health Across the Nation scanned women's bodies year after year through the menopause transition. When the transition began, the rate of fat gain roughly doubled and lean mass began to fall, and both shifts continued until about two years after the final period. The scale often barely moved. The body underneath it changed.

Bone loss also speeds up in the years around the final period, which is why this window matters so much.

This is not a motivation problem. It's a biology problem.

Frailty does not appear overnight. It builds over years of training that no longer matches the body, under-fueling and chronic stress. Strength builds the same way, one session at a time.

Living longer, and living better

Around midlife, hormone changes often drain a woman's energy, and many of us spent years putting everyone else first. So yes, women are living longer, yet not always living better.

What I see is that right around the change of life, many women realize they finally have more time and more resources, and they start putting themselves first. There's more knowledge out there now than ever. Women are learning the benefits of eating better, lifting weights, and moving well. One of my clients in her 70s doubled her chair-stand count in four weeks, and now gets in and out of the car with ease. With that knowledge and support, we can live longer and healthier.

Is "move more" enough?

Movement matters. Yet what kind of movement matters more as we age.

Walking and steady cardio are wonderful for your heart and your mood. On their own, they do little to rebuild the muscle and bone that midlife takes. Load does that.

The numbers are striking for women. A 2024 study in the Journal of the American College of Cardiology followed more than 412,000 US adults. Women who did muscle-strengthening work at least twice a week had a 19 percent lower risk of death from any cause than women who did none. For men, the drop was 11 percent.

And it is never too late. In the LIFTMOR trial, 101 women with an average age of 65 and low bone mass did supervised heavy lifting and impact work, 30 minutes twice a week, for eight months. Compared with a gentle home program, they improved bone density at the spine and hip, stood taller and moved better, with no fractures from the training.

Exercise is not about burning calories. It is a signal. Different kinds of training tell your body whether to keep its strength, protect its bones and steady its blood sugar... or slowly let those systems go.

Which markers matter most for healthspan?

Longevity is not biohacking. It's protecting function.

The markers that matter most are not scale weight or trendy supplements. They are muscle mass, grip strength, fitness, blood sugar and bone density. Grip strength alone says a lot: in a study of nearly 140,000 adults in 17 countries, every 5-kilogram drop in grip strength was linked to a 16 percent higher risk of death over four years.

These are the markers that decide whether you stay independent, capable and confident across decades. Aging will happen. The real question is whether you build enough reserve that midlife changes don't tip you into frailty.

What does a healthspan week look like?

Here is the simple shape I'd hand a friend, built on the World Health Organization's activity guidelines:

• Strength, two days a week. 30 to 45 minutes, five moves: a squat or sit-to-stand, a hip hinge, a push, a pull and a loaded carry. Two to three sets of 8 to 12 reps, with a weight that makes the last two reps slow and honest.
• Walking, 150 minutes a week. Thirty minutes on five days, with a hill or a brisk stretch that leaves you a little breathless.
• Balance, a few minutes most days. Stand on one leg while you brush your teeth. (Here's why the 10-second test matters.)
• Protein at every meal. 25 to 30 grams, three times a day, so the strength work has something to build with.

Honest framing: the mortality and grip strength numbers come from observational studies, so they show strong associations, not proof that one habit caused the difference. The bone trial was supervised and small. If you have a health condition or low bone density, start with your physician and a qualified trainer.

Women do not need more hacks. We need female-specific strategies that protect function.

I am not running out of time. I am building reserve. Today my strength is an investment in the woman I am becoming.

Frequently asked questions

What is the difference between lifespan and healthspan?

Lifespan is how many years you live. Healthspan is how many of those years you live in good health, strong and independent. A 2024 study of 183 countries found women spend about 2.4 more years than men living with illness or disability.

How many days a week do women over 50 need to strength train?

The World Health Organization recommends muscle-strengthening work on at least two days a week. In a 2024 study of more than 412,000 US adults, women who strength trained at least twice a week had a 19 percent lower risk of death from any cause than women who did none.

Is walking enough to age well?

Walking is wonderful for your heart, your mood and your blood sugar, and it is part of the plan. It does little to build muscle or bone on its own, so pair it with two strength sessions a week and a few minutes of balance practice.

Is it too late to start strength training at 60 or 70?

No. In the LIFTMOR trial, women with an average age of 65 and low bone mass lifted heavy, under supervision, twice a week for eight months and improved bone density at the spine and hip, with no fractures from the program. Start with a professional and build gradually.

If this landed

You are not behind. You are right on time to train differently. If you'd like to do it held, with structure and a circle of women beside you, Cohort 3 of The Ageless Reset is next.

I see you. I've got you. You're not behind.

With love,
Kim

Want to read your body’s signals early? Get my free guide, 5 Things Your Body Is Telling You After 40.