People who have depression, dementia and other illnesses that affect the brain still suffer from social stigma. We, as a population, like to think that we are more enlightened than this, but most of us don't need to follow a study to see this stigma in action.

Insurance companies still treat mental illness separately from physical illness, even though many, if not most, mental illness has a physical component. Some policies still deny coverage for mental illness or provide less coverage.

I...