Women Age Faster Than Men in 5 Key Ways, Research Reveals

Middle age comes for all of us, but if it feels like your significant other can still eat a pint of ice cream and stay trim or sleep soundly while you toss and turn, there might be a scientific reason for that. If you’ve ever suspected that aging looks a little different for women than it does for men, research officially has your back.

The specific ways that women age faster than men may surprise you. Conducted by a team of scientists from Israel and Switzerland, a November 2024 study published in Nature Aging dug into comprehensive health data from more than 10,000 adults ages 40 to 70 and found something striking: women show significantly more pronounced aging patterns than men in five key body systems. These areas were:

• blood lipids (including cholesterol)
• bone density
• sleep characteristics
• kidney function
• liver health

According to the National Institute on Aging, understanding these sex-specific differences is essential for keeping women healthier longer. So, what’s driving this difference? You might have already guessed: hormones.

The findings add new layers to the science of biological age—the idea that your body’s “true age” may not match your driver’s license. And for women navigating midlife, the results are a good reminder that paying attention to specific health markers after menopause really does matter.

Your cholesterol is telling on you

The most striking finding involved blood lipids—the cholesterol and fats in your bloodstream. Researchers used machine learning to predict age based on lipid profiles, and for women, the model was about 51% accurate. For men? Just 31%. Women’s blood lipid levels showed changes accelerating around the early fifties—right when menopause typically hits. Men showed no such pattern.

The connection makes biological sense. Estrogen helps keep cholesterol in check, and when levels drop during menopause, LDL (“bad”) cholesterol tends to rise. UCLA cardiologists have shown that women’s heart disease risk jumps significantly after menopause for exactly this reason.

Bones and sleep take a hit, too

Beyond cholesterol, the study found women showed accelerated aging patterns in bone density and sleep quality compared to men. And if you’re a woman who’s ever woken up drenched in sweat or worried about osteoporosis, this probably doesn’t shock you.

Women face a higher risk of bone loss as they age, shedding anywhere from 20% of bone density in just the first five to seven years after menopause, according to the National Council on Aging. The study’s data confirmed that bone-related biomarkers in women track more closely with age than they do in men.

Sleep told a similar story. Women’s sleep-related health markers correlated more strongly with their chronological age. Sleep disturbances around menopause are well-documented—hot flashes, night sweats, even increased sleep apnea risk all come into play.

Interestingly, men showed more pronounced aging in one area: frailty. Grip strength and muscle mass predicted age better in men. This might help explain a longstanding paradox—women live longer but tend to spend more years dealing with disability.

What this means for your health

The researchers didn’t just identify patterns—they connected them to real health outcomes. Higher biological age scores were linked to higher rates of age-related medical conditions. In other words, if your body is aging faster in a particular system, you’re more likely to develop problems in that system.

For women, accelerated bone aging correlated with higher rates of fractures, and accelerated cardiovascular aging was associated with metabolic issues. Four blood-based aging markers were significantly tied to menopausal status—meaning your biological age might reveal more about where you are hormonally than you’d expect.

“Body systems age differently in men and women, and diseases that are thought to be age-dependent should also be thought to be sex-dependent,” the researchers concluded.

What you should do about it

This research confirms what many women already suspected: menopause isn’t just hot flashes and mood swings. It marks a biological shift touching multiple systems at once. The good news? Knowing this gives you a head start.

For women approaching or past menopause, this might mean:

• Talking to your doctor about cholesterol levels more regularly.

• Getting bone density screenings (DEXA scans) when recommended.

• Taking sleep disturbances seriously—they’re not just annoying, they’re a health signal.

• Doubling down on lifestyle habits that support these systems: exercise, calcium and vitamin D, stress management.

The study also underscores what many researchers have been saying for years: women’s health needs aren’t just variations on men’s. A 2021 review in GeroScience noted that decades of male-focused research left big gaps in understanding how women age differently—but studies like this one are finally filling them in.

For daily wellness updates, subscribe to The Healthy newsletter and follow The Healthy on Facebook and Instagram. Keep reading:

• New Study: Walking Like This Cut Rates of Heart Attacks, Stroke, and Death by More Than 60%

• 6 Ways Heart Disease Is Different for Women, Cardiology Experts Say

• Research: This “Forgotten” Group’s Health Might Be Most Impacted by This, Not Age

• People Over 50 Who Did This One Thing Faced Lower Dementia Risk Over an 18-Year Span, Found New Study