Can your Apple Watch reduce your risk of stroke? – The Hill


Johnson & Johnson’s pharmaceuticals brand, Janssen,is teaming up with Appleon a new heart study to explore whether the iPhone and Apple Watch can help reduce the risk of stroke, with earlier detection of atrial fibrillation among senior citizens.

The three-year, randomized, 150,000-patient study called“Heartline,”will further test the Apple Watch’s atrial fibrillation detection feature on the Heartline Study app on participants who are 65 or older in the U.S. 

“Apple technology is making a meaningful impact on scientific research through the powerful capabilities of iPhone and Apple Watch, all with privacy at the center of the participant experience,” Myoung Cha, Apple’s Head of Health Strategic Initiatives,said in a statement

“The Heartline Study will help further understanding of how our technology could both contribute to science and help improve health outcomes, including reducing the risk of stroke,” Cha added. 

The Apple Watch Series 5 and Series 4 have an irregular heart rhythm notification feature and an FDA-approved ECG app designed to detect AFib.A study published last yearfound the Apple Watch could accurately detect AFib, but Apple is now aiming to show if early detection leads to better health outcomes. 

Atrial fibrillation is a common form of irregular heart rhythm, and is a leading cause of stroke in the U.S. It causes more than 454,000 hospitalizations and about 158,000 deaths each year,according to the Centers for Disease Control and Prevention. The death rate from AFib as the primary or a contributing cause of death has been rising for more than two decades. Up to 30 percent of cases go undiagnosed until life-threatening complications occur and those over the age of 65 are at greater risk of stroke. 

The study is open to U.S. adults older than 65 enrolled in traditional Medicare plans. Participants can purchase their own devices for personal use for $49 or borrow free of charge for the study.

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