May 5, 2010 11:08 am Tuning Out Pain Radio waves used to dull chronic pain. US & World Videos 3:45 What is brain fog? 2:58 Climate change is causing distress, anxiety among young Americans 2:58 New research sheds light on health impact of sitting for too long 1:32 How to prevent mosquito bites 2:07 CDC issues new guidelines for IUD pain management