Walking, moving more may lower risk of cardiovascular death for women with cancer history
Research Highlights:
Increased physical activity including taking more daily steps was linked to a lower risk of death from cardiovascular disease among postmenopausal women with a history of cancer.
The study found that engaging in one hour per day of moderate to vigorous physical activity reduced participants' risk of death from any cause by 40% and risk of death from cardiovascular disease by 60%.
Each additional 2,500 steps per day for a participant was associated with a 34% reduction in risk of death from cardiovascular disease.
Note: The study featured in this news release is a research abstract. Abstracts presented at the American Heart Association's scientific meetings are not peer-reviewed, and the findings are considered preliminary until published as full manuscripts in a peer-reviewed scientific journal.
Embargoed until 11 a.m. CT/12 p.m. ET, Sunday March 9, 2025
This news release contains updated information from the researcher that was not in the abstract and will be referenced in the oral presentation.
( NewMediaWire) - March 09, 2025 - NEW ORLEANS — Among postmenopausal women with a history of cancer, taking more daily steps and engaging in moderate-to-vigorous physical activity were both associated with a significantly reduced risk of death from cardiovascular disease, according to preliminary research presented at the American Heart Association's Epidemiology and Prevention | Lifestyle and Cardiometabolic Health Scientific Sessions 2025. The meeting will be held in New Orleans, March 6-9, 2025, and features the latest science on population-based health and wellness and implications for lifestyle.
Physical activity is a key component of the American Heart Association's Life's Essential 8, a list of health behaviors and factors that support optimal cardiovascular health. The Association currently recommends that adults engage in at least 150 minutes per week of moderate-intensity physical activity (such as walking or gardening) or 75 minutes per week of vigorous-intensity physical activity (such as running or swimming), or a combination of both.
Cancer survivors are at an increased risk of death from cardiovascular disease, according to a 2019 scientific statement from the Association. The statement also noted that exercise training is an essential part of cardiac rehabilitation and recovery after cancer treatment, and that exercise therapy can help to reduce cardiovascular toxicity during cancer treatment.
'Encouraging cancer survivors to be more active, sit less and take more steps every day could be a feasible approach for prolonging survivorship and reducing the risk of cardiovascular disease mortality,' said lead study author Eric Hyde, Ph.D., M.P.H., a research analyst at the University of California, San Diego. 'Our study helps us to better understand potential physical activity behaviors of postmenopausal women in relation to cancer survival.'
Researchers examined physical activity data from the Women's Health Accelerometry Collaboration, a study combining two observational studies exploring the relationship among physical activity and sedentary behavior with cancer incidence and death. They assessed the potential associations of physical activity and sedentary behavior with death from cardiovascular disease or all-cause mortality (death from any cause).
The study followed for about eight years nearly 2,500 post-menopausal women between the ages of 63 and 99 years. The analysis included participants diagnosed with breast or other cancers at least one year before enrolling in the studies. Participants wore an accelerometer on the hip for at least 10 hours per day for up to one week. The device recorded daily physical activity, including light physical activity, moderate-to-vigorous physical activity, total physical activity and step counts. It also recorded sedentary behavior including total sitting time during awake hours.
After adjusting for age, race/ethnicity, various lifestyle and risk factors for cardiovascular disease, cancer type and years since cancer diagnosis, the study found:
More daily steps and more moderate-to-vigorous physical activity were associated with a progressively lower risk of all-cause mortality.
The greatest benefit was seen among participants who logged 5,000–6,000 steps per day, and their risk of all-cause mortality was reduced by 40%.
Each additional 2,500 steps per day was also incrementally associated with a 34% reduction in risk of death from cardiovascular disease.
The greatest benefit from moderate-to-vigorous physical activity was seen among participants with at least one hour per day, which reduced all-cause mortality risk by 40% and cardiovascular disease mortality risk by 60%. However, significant reductions in risk were also evident at amounts far below one hour per day, researchers noted.
Every 102-minutes of sitting time per day was associated with a 12% increased risk of all-cause mortality and a 30% higher risk of death from cardiovascular disease.
'Risk reductions were even evident when participants walked fewer than 5,000 steps per day, half of the often touted 10,000 steps per day threshold,' Hyde said. 'Daily steps are an important measure because they are easily understood by the public, can be at any intensity level and are recorded on wearable devices like smartwatches that are increasingly being worn by all.'
Keith Diaz, Ph.D., the Florence Irving Associate Professor of Behavioral Medicine at Columbia University Medical Center in New York, a certified exercise physiologist and a member of the Association's Physical Activity Science Committee, noted that the study's findings add to the understanding of how to manage health and promote longevity after a cancer diagnosis.
'While structured exercise remains the most efficient and effective way to improve your health, these findings highlight that walking—at any intensity—matters. The road to an active lifestyle is more accessible than we often assume, and the benefits are available to everyone, including people navigating life after cancer,' said Diaz, who was not involved in the study.
'Another key takeaway from this study is the impact of sedentary time. Many adults now spend the majority of their day sitting, not engaged in physical activity, and for cancer survivors, this issue is likely even more pronounced due to the physical toll of cancer treatment and recovery. These findings add to the growing body of evidence that prolonged sitting is a significant health risk—one that we must actively combat, particularly after a cancer diagnosis.'
Study details, background and design:
The analysis included 2,479 women with a history of cancer, with an average age of 74 years. 52% of the study participants had a history of breast cancer; 8.5%, endometrial cancer; 7.1%, malignant melanoma; 6.6%, colon cancer; 3.0%, lung cancer; 2.1%, bladder cancer; 2.1%, rectal cancer; 2.1%, ovarian cancer; 1.7%, kidney cancer; 0.9%, head and neck cancer; 0.7%, myeloma; and 13% had a cancer that was categorized as 'other.'
Data was from the Women's Health Accelerometry Collaboration, a consortium of two studies (the Women's Health Initiative and the Women's Health Study) conducted between 2011 and 2015. The follow-up period to evaluate health outcomes was conducted through the end of 2022.
Daily accelerometer physical activity measures included light physical activity, moderate-to-vigorous physical activity, total physical activity and steps.
Examples of light physical activity included housework or slow walking, and moderate-to-vigorous physical activity included brisk walking, running, bike riding, playing tennis and heavy yardwork.
The study had several limitations, including lack of data regarding cancer stage at diagnosis and treatment, and physical activity was measured only once after cancer diagnosis. 'In future studies, physical activity should be measured at several critical time points, such as before cancer diagnosis, during treatment and after treatment, to clarify how these changes in behavior may relate to survival,' Hyde said.
Oral Presentation 060 in Session 10A Physical Activity is Sunday, March 9, 2025 at 11:00 a.m. CT.
Co-authors, their disclosures and funding sources listed in the abstract.
Statements and conclusions of studies that are presented at the American Heart Association's scientific meetings are solely those of the study authors and do not necessarily reflect the Association's policy or position. The Association makes no representation or guarantee as to their accuracy or reliability. Abstracts presented at the Association's scientific meetings are not peer-reviewed, rather, they are curated by independent review panels and are considered based on the potential to add to the diversity of scientific issues and views discussed at the meeting. The findings are considered preliminary until published as a full manuscript in a peer-reviewed scientific journal.
The Association receives funding primarily from individuals; foundations and corporations (including pharmaceutical, device manufacturers and other companies) also make donations and fund specific Association programs and events. The Association has strict policies to prevent these relationships from influencing the science content. Revenues from pharmaceutical and biotech companies, device manufacturers and health insurance providers and the Association's overall financial information are here.
The American Heart Association's EPI | Lifestyle Scientific Sessions 2025 is the world's premier meeting dedicated to the latest advances in population-based science. The meeting is Thursday through Sunday, March 6-9, 2025, at the Hyatt Regency in New Orleans. The primary goal of the meeting is to promote the development and application of translational and population science to prevent heart disease and stroke and foster cardiovascular health. The sessions focus on risk factors, obesity, nutrition, physical activity, genetics, metabolism, biomarkers, subclinical disease, clinical disease, healthy populations, global health, and prevention-oriented clinical trials. The Councils on Epidemiology and Prevention and Lifestyle and Cardiometabolic Health (Lifestyle) jointly planned the EPI | Lifestyle Scientific Sessions 2025. Follow the conference on X at #EPILifestyle25.
About the American Heart Association
The American Heart Association is a relentless force for a world of longer, healthier lives. Dedicated to ensuring equitable health in all communities, the organization has been a leading source of health information for more than one hundred years. Supported by more than 35 million volunteers globally, we fund groundbreaking research, advocate for the public's health, and provide critical resources to save and improve lives affected by cardiovascular disease and stroke. By driving breakthroughs and implementing proven solutions in science, policy, and care, we work tirelessly to advance health and transform lives every day. Connect with us on heart.org, Facebook, X or by calling 1-800-AHA-USA1.
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