Comprehensive effect of PE and competitive food laws: Why researchers and policymakers must consider both sides of the energy balance equation

Daniel R. Taber, PhD, MPH1, Jamie F. Chriqui, PhD, MHS1, Frank M. Perna, EdD, PhD2, Lisa M. Powell, PhD1, Sandy J. Slater, PhD1 and Frank J. Chaloupka, PhD1
(1)University of Illinois at Chicago, Chicago, IL, (2)National Cancer Institute, Rockville, MD