July 7, 2011 6:18 pm How Heat Waves Affect Your Health The air quality in the tri-state area is at a “code orange” level due to the third heat wave of the season. NBC10’s Dr. Allison Brucker explains how that can affect your health. 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