Nancy Williams, Ph.D.
Associate Professor - Department of Kinesiology
Sc.D., Boston University, 1992
267Q-Recreation Building
Penn State University
University Park, PA 16802
Phone: (814) 865-1346
Fax: (814) 865-1275
E-mail: niw1@psu.edu
Research Interests
- Exercise physiology, effects of alterations in energy balance on reproductive function, neuroendocrinology, metabolism, clinical issues pertaining to women's health and reproductive status, i.e., hypothalamic amenorrhea, bone loss, breast cancer.
Publications
- De Souza, M.J., and N.I. Williams. Physiological Aspects and Clinical Sequelae of Energy Deficiency and Hypoestrogenism in Exercising Women. Hum Reprod Update Sep-Oct;10(5):433-48, 2004.
- De Souza, M.J., H. McConnell, E. O’Donnell, B. Lasley, and Williams NI. Fasting Ghrelin Levels in Physically Active Women: Relationship with Menstrual Disturbances and Metabolic Status. J Clin Endocrinol Metab Jul;89(7):3536-42, 2004.
- McConnell HJ, Gardner JK, Frye BR, Snook ML, Schuchert MK, Richard EL, and Williams NI. Circulating ghrelin is sensitive to changes in body weight during a diet and exercise program in normal weight young women. Special edition: J Clin Endocrinol Metab Jun;89(6):2659-64, 2004.
- Williams, NI. Experimental disruptions of the menstrual cycle: Lessons from long-term prospective studies. Med Sci Sports Exerc 35 (8): 1564-1572, 2003.
- Whipple TJ, Petit Moira, Sharkey N, Demers L, Williams NI. Leptin and the skeleton. Clin Endocrinol 57: 701-711, 2002.

