Photo: Measuring stress with spit

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  • Cocoro Meter

    Cocoro Meter

    On Dec. 6, 2005, Isako Tanaka, an employee of Japanese medical equipment maker Nipro, displays the Cocoro Meter, a device that gauges stress levels by measuring the level of the enzyme amylase in saliva. The gadget sells for 19,800 yen ($164).

    Caption by: Bill Detwiler

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The Cocoro Meter measures the level of an enzyme found in saliva to see just how frazzled you are.

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Cocoro Meter

On Dec. 6, 2005, Isako Tanaka, an employee of Japanese medical equipment maker Nipro, displays the Cocoro Meter, a device that gauges stress levels by measuring the level of the enzyme amylase in saliva. The gadget sells for 19,800 yen ($164).

Caption by: Bill Detwiler

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