George asked the question on High Noon, and was joined by TCD psychologist Sabina Brennan.
Loneliness is a mismatch of what we 'need' and what we 'have' in terms of the quality & and quantity of our social relationships.
Trinity College psychologist Sabina Brennan joined George on High Noon today to tell him about the neurological impact being lonely can have.
A few facts on the issue include:
Listen to the full conversation, as well as the thoughts of people who suffer from loneliness, you can click below.