Huawei's Director Xu Wenwei has announced that the company is developing several noteworthy health features for future smartwatches. Apparently, Huawei is testing background blood sugar and blood pressure monitors, along with sensors that can take ECGs without having an app open.
https://www.notebookcheck.net/Huawei-is-looking-to-bring-ECG-non-invasive-blood-sugar-and-blood-pressure-capabilities-to-future-Watch-GT-smartwatches.533418.0.html