Undated handout photo issued by University of California at Berkeley of a wearable device that measures biomarkers in sweat which could one day replace health-monitoring blood tests, scientists have said. PRESS ASSOCIATION Photo. Issue date: Wednesday January 27, 2016. Researchers have developed a prototype that packs five sensors onto a flexible circuit board. By “tasting” a person’s sweat, the device can measure glucose, lactate – a marker of low oxygen levels in the body – sodium, potassium and skin temperature. See PA story HEALTH Sweat. Photo credit should read: Wei Gao/University of California Berkeley/PA Wire
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