A SMART patch that measures levels of the stress hormone cortisol has been developed by scientists at the Ecole Polytechnique Federale de Lausanne, Switzerland.
It contains electrodes to detect cortisol, which can be found in small quantities in bodily fluids such as saliva and sweat. Currently, this is done with blood tests and the hope is that the patch offers an alternative, non-invasive way to check levels of the hormone – a marker for stress problems, including cardiovascular disease.
After lab research earlier this year, the device will be tested on humans in a hospital setting.
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