Do-it-yourself Stress Hormone Test by Your Smartphone

In a recent conference in USA  researchers said that health apps are coming in your smartphone for stress test.Anyone with a smartphone will be able to measure their salivary cortisol level quickly, easily and inexpensively

Parts of the United States and the rest of the world that lack facilities to measure cortisol will now be able to perform this essential diagnostic test.Measuring salivary cortisol with this technology will provide a way for individuals to monitor their personal biometric stress levels easily and inexpensively.

The public to monitor their own cortisol levels whenever they want. So they designed their device to be inexpensive to manufacture, and easy to use on all cell phones, all platforms and all form factors.

It consists of a case, a light pipe, and a lens, it uses no battery power and it’s unbreakable and reusable.

To take the test, a person puts a straw-like saliva collector under the tongue, and capillary action wicks the saliva to an assay strip in a cassette that's inserted into a reader; the reader aligns a lens and light diffuser with a smartphone’s camera and flash. A few minutes later, the smartphone image analysis app quantifies the cortisol value.