A new scientific study suggests that people who frequently experience positive emotions are less likely to catch colds. Related ScienceNews article. Read at Slashdot.

“Positive Emotional Style Predicts Resistance to Illness After Experimental Exposure to Rhinovirus or Influenza A Virus“, Sheldon Cohen, PhD, Cuneyt M. Alper, MD, William J. Doyle, PhD, John J. Treanor, MD and Ronald B. Turner, MD, Psychosomatic Medicine November/December 2006