News Humans Loneliness is contagious, study suggests People who feel isolated may spread mistrust of social connections Share this:FacebookTwitterPocketRedditPrintEmail By Lisa Grossman December 1, 2009 at 1:09 am This article is only available to Science News subscribers. Subscribers, enter your e-mail address to access our archives. Client key* E-mail* Log in Not a subscriber? Science News is a nonprofit. Support us by subscribing now. Subscribe