University of Cyprus 1 article published in JoVE Bioengineering Setup of Consumer Wearable Devices for Exposure and Health Monitoring in Population Studies Antonis Michanikou1, Panayiotis Kouis1, Kostas Karanicolas1, Panayiotis K. Yiallouros1 1Respiratory Physiology Laboratory, Medical School, University of Cyprus Commercial smartwatches equipped with wearable sensors are increasingly being used in population studies. However, their utility is often constrained by their limited battery duration, memory capacity, and data quality. This report provides examples of cost-effective solutions to real-life technical challenges encountered during studies involving asthmatic children and elderly cardiac patients.