(Credit:
Azumio)

Yesterday started like so many others, with me standing in the back of a noisy, sweltering bus that smelled of urine. But unlike previous mornings, this time I was able to use my phone to quantify my stress level as it mounted with each jarring pothole.

Armed with a new app called Stress Check on my iPhone , I could verify that the stress I was feeling was real–when I woke up my level was 1 percent, (more…)