The iOS is a very sophisticated piece of software. I am sure I only use a portion of its features. One very helpful App on the iPhone is the Health App. I think many people use at least some of its features. One helpful feature of the Health App is the Favorites Section in the Summary Tab. This provides information on your health at a glance. This article describes several things you can do to customize the Summary Tab in the iOS Health App. It is all about making the Health App work for you.