- Reviewed by Toni Golen, MD, Editor in Chief, Harvard Women's Health Watch; Editorial Advisory Board Member, Harvard Health Publishing; Contributor
Even "weekend warriors" can lower their cardiovascular risks with concentrated workouts only one or two days a week, a new analysis suggests.
The Harvard-led study, published online July 18, 2023, by JAMA, analyzed data from nearly 90,000 adults (average age 62, 56% women) who wore accelerometers on their wrists for one week to track physical activity. Researchers compared three patterns of moderate-to-vigorous exercise among the participants: 42% exercised in a "weekend warrior" pattern, concentrating at least 2.5 hours of activity into one or two days; about one-quarter spread their exercise over all seven days; and one-third were considered inactive, exercising less than 2.5 hours during the week. Compared with the inactive participants, both of the other groups had similar, and significantly lower, rates of cardiovascular problems such as atrial fibrillation, heart attack, stroke, and heart failure over the following six years.
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About the Author
Maureen Salamon, Executive Editor, Harvard Women's Health Watch
About the Reviewer
Toni Golen, MD, Editor in Chief, Harvard Women's Health Watch; Editorial Advisory Board Member, Harvard Health Publishing; Contributor
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