Apple's rumored "Healthbook" app for iOS 8 may be the company's first big push into the current health and fitness craze that is being fueled by wearable technology, and a new report from 9to5Mac offers a look at what users can expect from the app as well as a few renderings of the app said to be recreated from actual screenshots. The renderings show a Passbook-inspired user interface with cards for different heath and fitness data points, with the app able to keep track of vitals mentioned in previous rumors such as heart rate, hydration, blood pressure, physical activity and more. Notably missing from the renders are p
