National Senior Health & Fitness Day


Johnson & Johnson, in collaboration with Apple, is offering eligible U.S. adults, 65 years and older with an iPhone, the opportunity to join the Heartline™ Study, a nationwide, virtual heart health research study.

The study is conducted through the Heartline app, which provides a rich engagement program with activities that may improve sleep, fitness, and wellness and help participants become more engaged in their overall heart health. If you decide to participate, you may help research on improving the early detection of AFib and heart health outcomes, including the prevention of stroke. One of the study goals is to analyze the impact of Apple Watch on the early detection and diagnosis of a type of irregular heart rhythm known as atrial fibrillation.

There are a variety of ways to participate in the Heartline Study. All who join will need to have an iPhone 6s or newer. Some participants will take part using only their iPhone. Some participants will also be asked to wear an Apple Watch. Those asked to wear a watch will be offered two options: purchase one, or get one on loan for the duration of the study and return it when your participation in the study ends. Johnson & Johnson and Apple are committed to ensuring that participation in the study is not limited based on financial need.

Approximately six million people in the United States live with an irregular heart rhythm known as atrial fibrillation (AFib). Up to 30% don’t even know they have it until a serious cardiovascular event, such as a stroke occurs because AFib is often not associated with any symptoms.

This study is virtual. Participate right from home through an iPhone. Encourage adults 65+ in your community to learn more by visiting* For more resources about the study, please reference our Partner Toolkit.

*Key eligibility criteria include: must be 65 or older, a U.S. resident for the duration of the study, able to read/understand English, own an iPhone 6s or later (with iOS 12.2 or later) and have Original (Traditional) Medicare. Individuals with and without a diagnosis of AFib are eligible to join. Other eligibility participation requirements will apply.


At Johnson & Johnson, we believe good health is the foundation of vibrant lives, thriving communities and forward progress. That's why for more than 130 years, we have aimed to keep people well at every age and every stage of life. Today, as the world's largest and most broadly-based health care company, we are committed to using our reach and size for good. We strive to improve access and affordability, create healthier communities, and put a healthy mind, body and environment within reach of everyone, everywhere. We are blending our heart, science and ingenuity to profoundly change the trajectory of health for humanity.



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