Kissing a stranger may no longer be the best way to save someone's life.
A study published in the October issue of the Journal of the American Medical Association adds evidence that the old way of doing CPR — mouth-to-mouth resuscitation coupled with chest compressions — is no longer necessary.
Since then, the American Heart Association has published new CPR guidelines urging everyone to learn the new "hands-only" method. We'll learn more about this move to hands-only CPR and take your questions.
This segment aired on December 14, 2010.