1. US Department of Health and Human Services . Healthy People 2000: National Health promotion and disease prevention objective US Department of Health and Human Services, Public Health Service: Washington DC 1988.
2. McDowell MA, Briefel RR, Alaimo R, Bischof AM, Caughman CR, Carroll MD, Loria CM, Johnson CL . Energy and macronutrient intakes of persons ages 2 months and over in the United States: Third National Health and Nutrition Examination Survey, Phase 1, 1988–91 Advance Data From Vital and Health Statistics, no. 255, National Center for Health Statistics: Hyattsville, MD 1994.
3. Borrud L, Wilkinson-Enns C, Mickle S . What we eat: USDA surveys food consumption changes CNI 1997 18: 4–5.
4. Hill J, Peters J . Environmental contributions to the obesity epidemic Science 1998 280: 1371–1374.
5. Shah M, Jeffery R . Is obesity due to overeating and inactivity, or to a defective metabolic rate: a review Ann Behav Med 1991 13: 73–81.