Keith M. Bellizzi, Ph.D, MPH, is Assistant Professor in the Department of Human Development & Family Studies at the University of Connecticut in Storrs, Connecticut. He was trained in gerontology and epidemiology and he has spent the past several years in the Division of Cancer Control and Population Sciences at the National Cancer Institute, leading a division-wide cancer and aging initiative. Dr. Bellizzi is the current chair of the research on cancer and aging interest group of the Gerontological Society of America. He is also a co-investigator on the Medical Health Outcomes Study and Surveillance, Epidemiology and End Results (MHOS/SEER) Program examining the impact of cancer on pre-existing medical conditions in older adults.

Margot Gosney, MD, FRCP , is Professor of Elderly Care Medicine and Director of the Institute of Health Sciences in the University of Reading, UK. She is also a clinician working in Elderly Care at the Royal Berkshire Hospital NHS Foundation Trust in Reading. Her research interests lie in the area of aging, and also include oncology, dental science for stroke patients, influenza, incontinence, falls and intellectual decline, and impaired vision and hearing. The association between nutrition and the health of elderly people has been a feature of Dr. Gosney's research and the University group has an international reputation for its findings in this area. She has published widely in peer-reviewed journals, has authored seven book chapters, and recently published Managing Older People in Primary Care: A Practical Guide , edited by Margot Gosney and Dr. Tess Harris; ISBN: 9780199546589; Oxford University Press, September 2009; 344pp, $67.95.