academic article

• TRENDS IN THE ABILITY TO WORK AMONG MEN AND WOMEN IN THE OLDER AMERICAN POPULATION: 1997-2007..  European journal of ageing.  7:249-256. 2010
• A tale of two countries--the United States and Japan: are differences in health due to differences in overweight?.  Journal of epidemiology.  18:280-90. 2008
• Changes in biological markers of health: older Americans in the 1990s..  The journals of gerontology. Series A, Biological sciences and medical sciences.  60:1409-13. 2005
• The impact of obesity on active life expectancy in older American men and women..  The Gerontologist.  45:438-44. 2005