Smartwatches and smart rings that claim to measure blood sugar levels without piercing the skin could be dangerous and should be avoided. The U.S. Food and Drug Administration issued a warning Wedn… ...

At-home SMBG typically involves pricking the skin—preferably a fingertip—with a tiny lancet to obtain a drop of blood, which ...

But a Massachusetts company is working on a needle-free alternative. They have developed tiny sensors that would be implanted in the skin - like a tattoo - to measure changes in blood sugar levels.

Accurate blood glucose monitoring is crucial for effective diabetes management. Errors like improper timing, expired strips, ...

To manage the condition, they must regularly check their blood sugar levels with a finger prick blood test or with a sensor that places needles just under the skin to monitor glucose levels ...

The FDA said it has not authorized any such device to properly measure blood sugar without needles.

The technology that allows smartwatches and rings to measure metrics like heart rate and blood oxygen is not accurate enough to measure blood sugar, said Klonoff, of the Sutter Health Mills ...