12/03/2014 08:35 am ET Updated Dec 03, 2014

Take Two Apps And Call Me In The Morning

Michael Phillips via Getty Images

Depression is the most common type of mental illness, affecting some 350 million people globally and contributing to other problems like obesity, cardiovascular disease, and cancer. But it often goes undiagnosed, and once you know you suffer from it, sometimes the most difficult part of treatment is just being able to regularly sit down on a therapist's couch.

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