That's just 9to5Mac's editorializing. The actual FDA article [1] reads to me like "guys' heads up that none of these are approved". I see nothing to suggest the

That's just 9to5Mac's editorializing. The actual FDA article [1] reads to me like "guys' heads up that none of these are approved". I see nothing to suggest the FDA means "we will never approve one" or "we doubt the underlying technology can ever work". [1] https://www.fda.gov/medical-devices/safety-communications/do-not-use-smartwatches-or-smart-rings-measure-blood-glucose-levels-fda-safety-communication https://www.fda.gov/medical-devices/safety-communications/do...