Blood tests may be the current standard method of tracking certain indicators of a person's health, but a new project led by the U.S. military could change the way health is monitored.
It turns out that many of the same indicators of health that flow in human blood are also present in sweat. The U.S. military project aims to develop skin "biosensors" that track what is flowing in the sweat of soldiers, to monitor their health and improve their performance. The high-tech devices, which look and feel like adhesive bandages, could be used to collect real-time measurements, such as heart rate, respiration rate and hydration, the researchers said.
"It's getting away from the concept of, you go to the hospital, they take a 10-milliliter vial of blood and a couple of hours or days later come back with the answer," said Josh Hagen, a chemical engineer for the Air Force Research Laboratory's 711th Human Performance Wing at the Wright-Patterson Air Force Base near Dayton, Ohio.
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