Needle-free tattoos can check diabetics' sugar levels

January 26, 2015 2:23 PM

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Needle-free tattoos can check diabetics' sugar levels

A temporary electronic "tattoo" may one day offer diabetics a bloodless way to check blood sugar levels, researchers say.

Diabetes affects hundreds of millions of people worldwide and is among the leading causes of death and disability. People with diabetes must test their glucose levels several times a day, using devices with a tiny needle to draw blood from a fingertip. But the pain of this constant finger-pricking m...

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