Isolation is a major concern for older people.
Having friends move away or die can often leave seniors with few people to talk to on a regular basis.
And there's evidence that isolation leads to depression.
The evidence is collected and amplified by a new survey that shows depressive symptoms increase as face-to-face contacts with other people decrease.
Oregon Health & Science University's Dr. Alan Teo, an assistant professor of psychiatry, is the lead author of the study.
Dr. Teo joins us with the findings.