Apple adds hypertension risk alert feature to Apple Watch. An algorithm reviews data from the past 30 days in the background and sends a notification if it detects a risk of high blood pressure.

The provided podcast episodes cover recent advancements and news in the healthcare and technology sectors, primarily focusing on digital health innovations and scientific discoveries related to the brain. One key development highlighted is Apple's integration of a hypertension risk alert feature into the Apple Watch, utilizing optical sensors to detect signs of high blood pressure over time, rather than direct measurement. Additionally, a new AI-driven system for predicting lifestyle disease risks three years in advance is discussed, along with its capability to simulate the impact of lifestyle changes. The sources also describe the launch of Hedgehog's online medical consultation service, "Zutsu-ru Doctor," which is integrated with a headache prediction app, and EM Systems' acquisition of Precal, a company specializing in cloud-based prescription input services for pharmacies. Finally, research from Yale University is presented, shedding light on how the brain processes and consolidates daily experiences during sleep, explaining phenomena like gaining insights after a night's rest.