Long-running women's health studies reveal lasting lessons for disease prevention and healthy aging
Andrea Romanos-Nanclares, Ph.D., of the Channing Division of Network Medicine within the Department of Medicine at Mass General Brigham, is the lead author of a paper published in The Lancet Obstetrics, Gynaecology, & Women's Health titled "The Nurses' Health Studies: a half-century of discovery in women's health." A. Heather Eliassen, ScD, of Mass General Brigham and Harvard T.H. Chan School of…
The Nurses' Health Studies, which began in 1976, have provided valuable insights into women's health and disease prevention over the past half-century. Led by Andrea Romanos-Nanclares, Ph.D., and senior author A. Heather Eliassen, ScD, these ongoing studies have tracked the long-term effects of various factors on women's health, including diet, lifestyle, reproductive factors, medications, environmental exposures, and more.
Unlike traditional research designs, these studies have allowed for the prospective follow-up of large populations of women across decades, repeatedly measuring numerous health-related factors.
The comprehensive data collected through the Nurses' Health Studies has significantly influenced clinical guidelines, public health recommendations, and policies across various medical fields. These findings have contributed to the U.S. FDA's ban on industrial trans fats, shaped the American Heart Association's cardiovascular health recommendations, guided the American Diabetes Association's diabetes prevention guidance, and informed international evaluations by the World Health Organization and the International Agency for Research on Cancer.
Key messages from the Nurses' Health Studies include the importance of modifiable factors in influencing overall health throughout a lifetime, such as diet, physical activity, weight management, chronic disease prevention, and survivorship. The evidence supports the idea that prevention is not solely about avoiding one specific disease, but rather about adopting healthy behaviors that can impact multiple aspects of health, including cardiovascular health, diabetes, cancer, cognitive health, and longevity.
For individuals who have been diagnosed with cancer, the research suggests that maintaining physical activity after diagnosis is associated with lower mortality across several types of cancer. Ultimately, the goal is to translate the long-term population data from these studies into actionable information to support prevention efforts and enhance comprehensive survivorship care for women.
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