Tim Cook is testing a glucose tracker for the Apple Watch

Apple CEO Tim Cook has been wearing a prototype glucose tracker that pairs with the Apple Watch, according to a report from CNBC. The revelation adds weight to a previous report from CNBC, which said last month that Apple has hired a team of biomechanical engineers to develop a noninvasive device to monitor the blood sugar levels of people with diabetes.Citing unnamed sources, CNBC reports that Apple’s Palo Alto-based team has already begun feasibility tests with the tracker, which connect