RT Journal Article SR Electronic T1 U.S. obesity trends are growing worse, adding to health costs: New data document obesity disparities JF The Nation's Health JO Nations Health FD American Public Health Association SP 6 OP 6 VO 39 IS 7 A1 Krisberg, Kim YR 2009 UL http://www.thenationshealth.org/content/39/7/6.1.abstract AB