This podcast episode examines the effectiveness of health applications within Tokutei Hoken Shido, a specialized health guidance program in Japan for preventing lifestyle diseases, particularly metabolic syndrome. The author analyzes a study demonstrating that expert recommendation of health apps significantly increases their usage rate among participants. While immediate lifestyle changes weren't observed, the study found a one-year improvement in triglyceride levels among app users. The article also discusses new developments in digital health, including CureApp's upcoming launch of an alcohol reduction app and Hedgehog Medtech's acquisition of "Zutsuu-ru," a popular headache prediction app, analyzing the financial implications and strategic advantages of such acquisitions.