Smartphones can ring the changes needed to save lives

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Smartphones can ring the changes needed to save lives

The devises can help detect diabetes and drunkenness, say scientists

Senior features writer

From detecting drunkenness to diabetes, smartphones are proving their potential as vital tools for public health.

They are smarter than drunk people when it comes to detecting sobriety (or not — now that the booze ban has been lifted) and have the potential to pick up diabetes among people who are not aware they have the life-threatening disease.

Smartphone cameras and flashlights can capture “colour changes in the fingertip corresponding with each heartbeat”. A digital tool analyses this data, resulting in the successful detection of diabetes in most people, a major study published in Nature Medicine (https://www.nature.com/articles/s41591-020-1010-5) on Monday shows...

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