Page 9to5mac said, they found out in the latest version of iOS 8.2 beta for developers that the appearance of the feature that has been removed in the Health app helps users to track the amount of sugar my blood. In particular, this release also has a number of measurement unit options such as mg / dL or mmol / L.
Besides, the Heath application will also be improved to become smarter with the ability to track different data points by listing them in sections.
The return of blood glucose monitoring features and some new improvements, promises to make Health apps on iOS more useful than ever, especially for diabetics.