Apple just announced the upcoming release of is health-monitoring HealthKit service for iPhone and iPad devices.
HealthKit will come with iOS 8, and will be able to import relevant data from compatible apps to create data that can be shared with health professionals and used with third party monitoring devices. Users will be able to control which apps get access to specific pieces of information.
Apple also notes that it is working with Nike and Mayo Clinic on HealthKit. Mayo Clinic Chief Dr John Noseworthy says, "We believe Apple's HealthKit will revolutionize how the health industry interacts with people. We are proud to be at the forefront of this innovative technology with the Mayo Clinic app."