Hug Away

This was interesting: 

"Led by Sheldon Cohen, the Robert E. Doherty University Professor of Psychology in CMU's Dietrich College of Humanities and Social Sciences, the researchers tested whether hugs act as a form of social support, protecting stressed people from getting sick. Published in Psychological Science, they found that greater social support and more frequent hugs protected people from the increased susceptibility to infection associated with being stressed and resulted in less severe illness symptoms."

The full article can be read here.