April 7, 2009 5:30 pm Greek Yogurt Sales on the Rise Greek yogurt is nothing new, but its popularity is increasing. It has more protein than regular yogurt and a more decadent consistency. US & World Videos 25:57 Your Health: The truth behind the stomach vacuum trend and biohacking 3:45 What is brain fog? 2:58 Climate change is causing distress, anxiety among young Americans 1:32 How to prevent mosquito bites 2:07 CDC issues new guidelines for IUD pain management