Xiang Gao, MD, Ph.D.

photo of Xiang Gao

Associate Professor, Director of Nutritional Epidemiology Lab

Contact Information

109 Chandlee Lab
University Park PA 16802


(fax) 814-863-6103



Ph.D., Tufts University, 2005
M.S., Peking Union Medical College & Chinese Academy for Medical Science, 2001
M.D., Shanghai Second Medical University, 1994

Research Interests

Dr Gao’s research interests include nutritional Epidemiology, sleep disorders, neurological diseases, aging, global health and stress. Data from several large international ongoing prospective cohorts have been used, in which approximately ~500,000 men and women have been followed regarding their lifestyles and health conditions. These cohorts include the Nurses’ Health Study, the Health Professionals Follow-up Study, the Cancer Prevention Study II Nutrition Cohort, and the Kailuan Cohort.

Selected Publications

Zhang C, Li Y, Malhotra A, Ning Y, and Gao X. Restless Legs Syndrome Status as A Predictor for Lower Physical Function. Neurology, 2014;82:1212-8

Li Y, Zhang X, Winkelman JW, Redline S, Hu FB, Stampfer M, Ma J, Gao X. The association between insomnia symptoms and mortality: a prospective study of US men. Circulation, 2014;129;737-746

Li Y, Wang W, Winkelman JW, Malhotra A, Ma J, and Gao X. Prospective study of restless legs syndrome and mortality among men. Neurology, 2013; 81(1):52-9.

Gao X, Cassidy A, Schwarzschild MA, Rimm E and Ascherio A. Habitual intake of dietary flavonoids and risk of Parkinson's disease. Neurology, 2012 Apr 10;78(15):1138-45

Li Y, Walters AS, Chiuve SE, Rimm EB, Winkelman JW, Gao X. Prospective study of restless legs syndrome and coronary heart disease among women. Circulation, 2012;126(14):1689-94

Gao X, Chen H, Schwarzschild MA, Ascherio A. Use of ibuprofen and risk of Parkinson's disease. Neurology, 2011 76:863-869.

Gao X, Simon KC, Han J, Schwarzschild MA, Ascherio A. Genetic determinants of hair color and Parkinson’s disease risk. Ann Neurol. 2009; 65(1):76-82.

Gao X, Scott T, Falcon LM, Wilde PE, Tucker KL. Food insecurity and cognitive function in Puerto Rican adults. Am J Clin Nutr. 2009;89;1197-1203.

Gao X, Chen H, Fung TT, Logroscino G, Schwarzschild MA, Hu FB, Ascherio A. Prospective study of dietary pattern and risk of Parkinson’s disease. Am J Clin Nutr. 2007;86: 1486-1494

Gao X, LaValley MP, Tucker KL. Prospective studies of diary product and calcium intakes and prostate cancer risk: A meta-analysis. J Natl Cancer Inst. 2005;97(23): 1768

Courses Taught

NUTR 452 Nutritional Aspects of Disease

NUTR 490W Nutrition Seminar