A filing with the US Securities and Exchange Commission (SEC) has led to some speculation that a future Apple wearable, possibly even the expected Apple Watch Series 7, could be fitted with a non-invasive glucose indicator. On top of that, an Apple Watch 7 may even sport an alcohol monitor, thanks to Rockley Photonics' expertise.
https://www.notebookcheck.net/Apple-Watch-Series-7-takes-a-step-closer-to-offering-a-non-invasive-glucose-monitor-and-even-an-alcohol-level-sensor.537233.0.html
Oh boy, I see dead people ... at least those that will actually trust those measurements.
EKG ... that's totally unreliable, but the doctor will stop you in making a stupid decision, but what will stop you overdosing when AW "measures" glucose levels wrong.
Even pedometer is more accurate than AW EKG.