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When Does a Fitness Tracker Become a Medical Device?
Duke researchers, including the Center’s Associate Director for Wearable Technology Jessilyn Dunn, highlight the gaps in federal guidance governing validation of wearable devices.
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Impact of daylight saving time on physical activity patterns
Daylight saving time (DST) remains contentious: some policymakers highlight behavioural benefits, while others emphasize health risks. Here we estimated the behavioural and physiological impacts of DST using longitudinal Fitbit measures from the National Institutes of Health All of Us Research Program. Avoiding strict modelling assumptions, we used a natural difference-in-differences design with Arizona (no DST) as a…
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Catch Smart Glasses If You Scan: Robot-Controlled vs. UI-Guided
As smart glasses become increasingly lightweight and suitable for all-day wearables, they show strong potential to serve as the next-generation mobile platforms that provide an AR interface bridging human experience and AI perception. However, a serious concern about its misuse has recently been reported [2] and has attracted public attention: smart glasses can be used…
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The need to develop health data transaction disclosure requirements to balance transparency, privacy, and progressive use
This Viewpoint critically evaluates the impact of commodifying health data in the era of electronic health records and the ethical challenges this practice raises. Additionally, the Viewpoint explores the complex interplay between the advancement of health-care artificial intelligence (AI) and the imperative for transparency in data practices, scrutinising the insufficiency of existing regulations in addressing…
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Dr. Islam Receives the 2026 Postdoctoral Professional Development Award
Dr. Shekh Md Mahmudul Islam, Ph.D., from BIG IDEAs Lab has been selected to receive the 2026 Postdoctoral Professional Development Award in support of his proposal to the IEEE International MTT Symposia (IMS) 2026, which will be held in Boston this June.
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AI at Work – and What It Means
From offices to classrooms and clinics, Duke’s community is learning to work smarter with AI, while keeping humanity at the heart of innovation. This article features the Center’s Associate Director for Wearable Technology Jessilyn Dunn.
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Translational Methods for Wearable Heart Rate Variability Monitoring in Older Adults: Preoperative Risk Stratification and Postoperative Monitoring
Low preoperative heart rate variability (HRV) is associated with adverse cardiovascular outcomes and delirium after geriatric surgery, but in-person testing is burdensome and impractical. To evaluate wrist-based wearables for remotely capturing preoperative outpatient and postoperative inpatient data for HRV analysis. RR-intervals were extracted, and data missingness was assessed for systematic differences. Delirium incidence was evaluated….
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Podcast: Physics‑based Simulations Help Diagnose and Treat Disease
In a conversation with Physics World’s Margaret Harris, Center Director Amanda Randles explains how she uses physics-based, computationally intensive simulations to develop new ways to diagnose and treat human disease. She has also investigated how data from wearable devices such as smartwatches can be used identify signs of heart disease. Listen to the podcast
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The Big Ideas Lab at Duke is Shaping the Future of Medical Wearable Technology
Advancements in medical wearable technology have improved the lives of millions of patients. To understand the research behind these life-saving devices, Vertices, a Duke student-run publication, spoke with Dr. Jessilyn Dunn, Associate Professor of Biomedical Engineering and principal investigator of the BIG IDEAs Lab at Duke University. Read the article
