From Apple’s announcements on watchOS 8 and Health:

Apple today previewed watchOS 8, with impactful new features that make the world’s most advanced wearable operating system even more essential for users to stay healthy, active, and connected. Updates to the Wallet and Home apps extend Apple Watch as an increasingly useful tool for convenient access across the car and places users live, work, and visit. A reimagined Breathe app and new Tai Chi and Pilates workout types help users lead a fit and healthy life and support mental well-being, while a new Portraits watch face and enhancements to Messages and the Photos app make staying connected to loved ones even easier.

Apple today previewed advanced consumer health and wellness insights for users, as well as new tools for supporting loved ones. Building on the current innovative health features of iPhone and Apple Watch, iOS 15 gives users the ability to securely share their data with important people in their life, like a family member or physician, and receive insights into the health trends of their loved ones. Additionally, new tools in iOS 15 can be used to identify, measure, and understand changes in a person’s health data.

Apple Watch has always been about health and fitness and while there have been updates to other apps in watchOS, the focus continues to be on well-being. The addition of being able to share data with family members makes iOS 15 and watchOS 8 an invaluable tool for many users.