When you picture a crippling illness, your mind may jump to cancer, heart disease, or even Alzheimer's. But as it turns out, the leading cause of ill health and disability worldwide is a condition that still continues to lurk under the radar.
According to the World Health Organization (WHO), more than 300 million people suffer from depression, a number that has risen by 18 percent between 2005 and 2015. What's more, nearly half of those people don't get treatment, largely due to the stigma surrounding mental illnesses.
