Apple Launches New Health Study Using iPhone, Watch, and AirPods Data
Apple has just launched the Apple Health Study, a comprehensive research initiative designed to explore how technology—specifically the iPhone, Apple Watch, and AirPods—can enhance physical and mental health.

Accessible through the Research app, this study seeks to uncover connections between various health domains, such as the influence of mental well-being on heart rate and the impact of sleep patterns on physical activity. The project is a collaboration with Brigham and Women’s Hospital, a prominent research institution affiliated with Harvard Medical School.
Traditional medical studies often face limitations in participant recruitment, data collection scope, and study duration. Apple’s widespread devices offer a solution to these challenges by enabling large-scale, longitudinal research.
Building upon previous studies like the Apple Women’s Health Study, the Apple Hearing Study, and the Apple Heart and Movement Study—which collectively have over 350,000 participants across the U.S.—the Apple Health Study aims to delve deeper into understanding how technology can predict, detect, monitor, and manage health changes.
This virtual, long-term study will examine a broad spectrum of health and disease areas, including:
- Activity
- Aging
- Cardiovascular health
- Circulatory health
- Cognition
- Hearing
- Menstrual health
- Mental health
- Metabolic health
- Mobility
- Neurologic health
- Respiratory health
- Sleep
By analyzing data from both Apple and third-party devices, researchers aim to identify early signals of health changes, facilitating a more proactive approach to well-being. For instance, early detection of hearing health alterations could potentially reduce the risk of cognitive decline.

Enrollment for the Apple Health Study is now open through the Research app for U.S. residents who meet the minimum age requirements and complete the informed consent process. Participants have control over the data types they share and can withdraw from the study at any time, ceasing future data collection.
Apple ensures that personal identifiers, such as contact information provided through the Research app, remain inaccessible to the company, maintaining participant confidentiality.
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