Nearly 16 million adults have major depression, and up to a third do not respond to treatment. The disease afflicts people of all ages, but experts say that as many as half of older adults don’t get better with standard treatment.
Mental health experts expect treatment-resistant depression to become more widespread as baby boomers age. Boomers already have been identified as having higher rates of depression than previous generations, and over time their depression may no longer respond to medication.
