March 21, 2012 6:32 pm Salivary Stones Breakthrough Procedure Brent Williams was having pain from salivary stones and decided to tray a breakthrough procedure by Dr. David Cognetti. NBC10’s Dawn Timmeney shares Brent’s story. US & World Videos 3:04 PurpleStride event in Philly raises money for those battling pancreatic cancer 3:27 ‘Take a Breather' and run to help battle against cystic fibrosis 1:49 How much time do you spend on your phone each week? Keith Jones, Erin Coleman talk screen time 2:52 Join the fight for ovarian cancer treatment and research at the Sandy Sprint 3:13 Movement, memory and Parkinson's awareness