Apple Watch is well-known as a health tracker, but a new report said a secret project dating back to Steve Jobs’ era — to use the wearable to monitor glucose without pricking the skin to get blood — has made headway recently. And that has major implications.
The secret effort, known as E5, could involve a device that straps to the bicep and works with the watch. If it comes to market, it could disrupt industries and help millions of diabetics.
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