Researchers share new insights from Apple Women’s Health Study
Published on: 2025-07-25 16:41:56
Back in 2019, Apple announced a trio of new research studies, including the Apple Women’s Health Study in partnership with Harvard T.H. Chan School of Public Health and the NIH’s National Institute of Environmental Health Sciences.
Researchers have shared several updates in the years since the study began, including one this week.
In an update published on the Harvard website this month, researchers shared new insight into whether participants in the Apple Women’s Health Study change their exercise patterns based on their menstrual cycle.
Researchers reviewed more than 22 million workouts across more than 110K participants and found that:
Walking, cycling, running, functional strength training, and yoga were the top five types of exercise across cycles.
Participants with regular cycles typically had 20.6 minutes of exercise per day. Participants with irregular cycles typically had 18.6 minutes per day.
The median daily exercise time was 21 minutes during the follicular phase and
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