Loneliness can be depressing, but it may have helped humans survive
Prof. John Cacioppo examines the evolutionary need for loneliness

Study: Loneliness Linked to Adverse Health Effects
Video: Prof. John Cacioppo discusses his research on the harmful effects of loneliness

New Research on Overcoming Loneliness
<p>Research by Prof. John Cacioppo and Asst. Prof. Stephanie Cacioppo shows that people's brains operate differently when they're lonely</p>
