A simple daily habit that could boost older women’s heart health

A simple daily habit that could boost older women’s heart health

Could something as simple as walking a few thousand steps really protect your heart?

A new study published in The British Journal of Sports Medicine suggests it can—especially for older women who may find daily fitness goals intimidating.

Researchers found that women who took about 4,000 steps on just one or two days a week lowered their risk of heart disease and death compared to those who walked less. The findings challenge the idea that you must reach 10,000 steps every day to stay healthy.

According to the World Health Organization (WHO), cardiovascular disease remains the leading cause of death worldwide, claiming nearly 19.8 million lives in 2022. For women—particularly those over 55 who are postmenopausal—the risk rises sharply.

To counter that, experts have long emphasized the importance of exercise, a heart-healthy diet, stress management, and quitting smoking. But this new research shows that even modest movement—a brisk walk once or twice a week—can make a measurable difference.

Why steps matter

The study analyzed data from more than 13,000 women with an average age of 72, all of whom participated in Brigham and Women’s Hospital’s Women’s Health Study between 2011 and 2015. Participants wore accelerometers to record their daily steps and were followed for a decade to track heart-related events and deaths.

Lead author Dr. Rikuta Hamaya of Harvard Medical School explained that walking is the most accessible and preferred form of activity among older adults:

“Older women are generally less active, and the proportion who meet guideline-recommended activity levels is quite low. Steps are a particularly relevant and measurable behavior for studying disease prevention in this population.”

Hamaya’s team divided participants based on how many days a week they reached 4,000, 5,000, 6,000, or 7,000 steps. The results were striking:

• Women who reached 4,000 steps on one or two days a week saw a 27% lower cardiovascular disease risk and 26% lower mortality risk.
• Those who achieved 4,000 steps on three or more days had a 40% lower mortality risk.

“Even modest goals—like 4,000 steps a day once or twice a week—can bring meaningful health benefits,” Hamaya said. “The total volume of steps seems to matter more than how they’re distributed across days.”

Walking improves cardiovascular health by enhancing blood flow, lowering blood pressure, improving insulin sensitivity, and reducing inflammation. It can also ease stress, improve sleep, and boost mental well-being—all vital for heart health.

Why this matters for women

Dr. Nissi Suppogu, Medical Director of the Women’s Heart Center at MemorialCare Heart & Vascular Institute in California, said she was thrilled by the findings.

“Older postmenopausal women experience higher rates of cardiovascular events and are often more sedentary than men their age,” Suppogu said. “This study shows that even small bursts of movement—4,000 steps here and there—can yield measurable heart benefits.”

She added that research like this empowers women with practical, achievable tools for disease prevention:

“Simply being ambulatory—moving more, even without formal exercise—can lead to better cardiac outcomes.”

Suppogu hopes future studies will look at similar patterns among women with existing health risks such as diabetes, hypertension, and obesity, and she’d like to see these findings reflected in future U.S. Preventive Services Task Force guidelines.

“This research simplifies the public-health message,” she said. “You don’t need perfection—just progress. Every step counts.”

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