Still I don't trust the average Joe that owns an Apple Watch or an iPhone to know how to read or what to do with some of this data. Data is only as good as how it is interpreted and used.
This calculation is too simple. Fluctuation is very predictable. It's controlled primarily by diet and exercise. If you are over 100 or 120, then you have too much sugar in your blood. If you wake up and its 225, then you know you have to add some insulin (if you are at the stage where you use that stuff). Every person with type 2 diabetes reacts differently and they all self-titrate their dose. If you are plunging down below 90, most diabetics will be quite uncomfortable. As your sugar goes down, your body goes into a type of panic. It takes a ton of will power to not stuff one's face with every kind of sugary thing, ice cream and cookies, a bowl of cereal, essentially everything you've been missing, and the next thing you know you are over 300 and you want to go to sleep. It's not nice. It would be very nice to have a bit of an early warning system.
People are already testing by sticking their finger with a needle multiple times a day and no one likes it. It would be great to have a device that you could glance at to see how you are doing.
I'm not suggesting that people who don't have diabetes should self-diagnose. That's always problematic. However, those who have experienced this illness, who are already managing their condition, could benefit greatly with this built into a watch.
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On the Dexcom, for me (T1D) I don't really feel it, like the infusion sets from my pump. Dexcom has the best method of injection for me, as I don't really like the "load and shoot" types of injectors.
Type 1 and Type 2 are very different, as I am sure you know. My neighbor has Type 1 and he's always showing me his latest pump, or sensor, etc. Some of those needles are quite large... and he's alway got some sort of radio taped to his body. It works quite well for him but it doesn't look like it would be comfortable while running or biking. if I could get the same features in a watch (I don't care about the shape) I'd really be excited... Just at this very moment I am feeling strange, I know something is off with my sugar. I can usually tell but at the moment I don't know whether I am high or low. Can I get that new non-existent watch now, please...
One more note, for those of you that don't have an Apple Watch... for whatever reason. I have the Series 2, and I think they did an amazing job with the interface. There are multiple ways to get to the place you want, the information is almost always large enough to read. To my surprise, the device is really quite usable.
