Samsung has revealed that its Galaxy Watches may be able to detect signs of fainting episodes, which can indicate other medical problems and potentially cause injury. The company partnered with the Chung-Ang University Gwangmyeong Hospital of Korea to evaluate over 130 patients with faintting problems. The study used a Samsung Galaxy 6 smartwatch with its photoplethysmography sensor to collect data, which was analyzed using an AI algorithm. The watch predicted the occurrence with 84.6% accuracy and a 90% sensitivity, indicating a significant increase in accuracy.