Strong hearts, lungs linked to good grades
Aug 4, 2012
Cardiorespiratory fitness -- a healthy heart and lungs -- had an impact on boys' and girls' grades on reading and math tests, U.S. researchers said.Study co-author Trent A. Petrie, director of the Center for Sport Psychology at the University of North Texas, and colleagues gathered data at five Texas middle schools from 1,211 students, of whom 54 percent were female -- with an average age of about