Wearable sensors are rapidly transforming the landscape of health diagnostics, enabling continuous health monitoring, early disease detection, and personalized healthcare. These small, often discreet devices are embedded in wearables. Watches, fitness bands, or even clothing, collecting real-time data on various health metrics. From tracking heart rate and blood pressure to monitoring glucose levels, wearable sensors are ushering in a new era of healthcare that prioritizes prevention and patient engagement. In this article, we’ll explore how wearable sensors are transforming health diagnostics, their applications, benefits, and the potential challenges they face.