What science says about loneliness

St. Paul, Minn. — A host of physical and mental ailments like sleep disorders, depression, weakened immune system, and high blood pressure are being linked to loneliness in adults.

Some argue that our increasingly computer-networked society should keep us from being lonely, but one expert argues that online friends are no replacement for real ones.

Guests

• John Cacioppo: Professor and Director of the Center for Cognitive and Social Neuroscience at the University of Chicago.
• Michael Bugeja: Director Greenlee School of Journalism and Communication at Iowa State University. He is author of "Interpersonal Divide: The Search for Community in a Technological Age."

Resources

• About John Cacioppo
• About Michael Bujega