Activity data from wearables could help monitor blood sugar levels, study indicates

Activity data from a Fitbit can predict changes in blood sugar control for adults with prediabetes, a condition that affects around one in three adults in the United States, a new study shows. The findings point to a strategy that tech companies might use in their rumored efforts to build diabetes technology into wearable products.

“It kind of makes sense intuitively — more movement, more physical activity leads to overall better health, and better health is one of the factors behind improved glycemic control,” says Jessilyn Dunn, an assistant professor of biomedical engineering at Duke University who wasn’t involved with this study but has also done work on wearables and glucose monitoring.

People with prediabetes have elevated blood...

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