Ka He

(812) 856-2260
PH C042


Dr. He is a nutrition epidemiologist. He received his ScD in Nutritional Epidemiology from Harvard University, MPH from Tufts University and medical degree from Soochow University. Dr. He was an Assistant Professor of Preventive Medicine at Northwestern University, and a tenured Associate Professor of Epidemiology and Nutrition at University of North Carolina at Chapel Hill. Dr. He is an elected fellow of American Heart Association (AHA), American College of Epidemiology (ACE), and American College of Nutrition (ACN). His primary research interests lie in nutrition and environment epidemiology, specifically, dietary and environmental factors in relation to the development of chronic diseases. Dr. He’s research is continuously funded by the National Institutes of Health.

Research Interest
  • Trace minerals (nutritious and toxic) and cardiovascular disease, diabetes and cognitive function
  • Amino acids, protein and obesity
  • Fatty acids and cardiovascular disease
  • Diet and colon cancer
  • Diet, aging and longevity
Selected Publications
Park JS, Ha KH, He K, and Kim DJ: Association between blood mercury level and visceral adiposity in adults. Diabetes Metabolism Journal. 41 (2): 113 – 120, 2017. PMID: 28029015.

Zhang MZ, Xun PC, He K, and Cai W: Adjuvant steroid treatment and the survival outcomes in biliary atresia patients after Kasai portoenterostomy: an updated meta-analysis. World Journal of Pediatrics. 13 (1): 20 – 26, 2017. PMID: 27830578.

Quan M, Xun P, Chen C, Ju W, Wang Y, Wang R, Chen P and He K: Walking pace and the risk of cognitive decline and dementia in elderly populations: a meta-analysis of prospective cohort studies. Journal of Gerontology Series A: Biological Sciences and Medical Sciences. 72 (2): 266 – 270, 2017. PMID: 27927757.

Tsinovoi CL, Xun P, and He K: Antioxidant supplementation is not associated with long-term quality of life in stage II colorectal cancer survivors: a follow-up of the Study of Colorectal Cancer Survivors cohort. Nutrition and Cancer. 69 (1): 159 – 166, 2017. PMID: 27929676.

Wen J, Xun P, Chen C, Quan M, Wang R, Liu Y, and He K: Non-occupational physical activity during pregnancy and the risk of preterm birth: a meta-analysis of observational and interventional studies. Scientific Reports. 7: 44842. doi: 10.1038/srep44842. Mar 22, 2017. PMID: 28327589.

Rembert NJ, He K, Judd S, and McClure LA: The geographic distribution of trace elements in the environment: the REGARDS study. Environmental Monitoring and Assessment. 189 (2): 84, 2017. doi: 10.1007/s10661-016-5733-1. PMID: 28138888.

Gorczyca AM, Eaton CB, LaMonte MJ, Manson JE, Johnston JD, Bidulescu A, Waring ME, Manini T, Martin LW, Stefanick ML, He K, Chomistek AK: Change in physical activity and sitting time after myocardial infarction and mortality among postmenopausal women in the Women’s Health Initiative-Observational Study. Journal of American Heart Association. 2017 May 15; 6 (5). pii: e005354. doi: 10.1161 / JAHA. 116.005354. PMID: 28507059.

Chen C, Xun P, Tsinovoi C, and He K: Accumulated evidence on Helicobacter pylori infection and the risk of asthma: A meta-analysis. Annals of Allergy, Asthma & Immunology. 119 (2): 137 – 145, 2017. PMID: 28634020.

Merill PD, Ampah SB, He K, Rembert NJ, Brockman J, Kleindorfer DO, McClure LA: Association between trace elements in the environment and stroke risk: the Reasons for Geographic And Racial Differences in Stroke (REGARDS) study. Journal of Trace Elements in Medicine and Biology. 42: 45 – 49, 2017. PMID: 28595791.

Lu L, Wan Y, Xun P, Zhou K, Cheng S, Zhang M, Wu C, Lin W, Jiang Y, Feng H, Wang J, He K, Cai W: Serum bile acid level and fatty acid composition in relation to nonalcoholic fatty liver disease among children in China. Journal of Digestive Diseases. 18 (8): 461 – 471, 2017. PMID: 28585279.

Dibaba DT, Xun P, Song Y, Rosanoff A, Shechter M, and He K: The effect of magnesium supplementation on blood pressure among individuals with insulin resistance, pre-diabetes, or non-communicable chronic diseases: a meta-analysis of randomized controlled trials. American Journal of Clinical Nutrition. 106 (3): 921 – 929, 2017. PMID: 28724644.

Zhang Y, Xun P, Wang R, Mao L, and He K: Can magnesium enhance exercise performance? – Evidence from both animal and human studies. Nutrients, 9 (9). pii: E946, 2017; doi:10.3390/nu9090946. PMID: 28846654.

Qin B, Xun P, Jacobs DR, Zhu N, Daviglus M, Reis JP, Steffen LM, Van Horn L, Sidney S, and He K: Intake of niacin, folate, vitamin B6 and vitamin B12 through young adulthood and cognitive function in midlife: the CARDIA study. American Journal of Clinical Nutrition. 106 (4): 1032 – 1040, 2017. PMID: 28768650.

Wu J, Xun P, Tang Q, Cai W, and He K: Circulating magnesium levels and incidence of coronary heart diseases, hypertension, and type 2 diabetes mellitus: a meta-analysis of prospective cohort studies. Nutrition Journal. 16 (1): 60. doi: 10.1186/s12937-017-0280-3, 2017. PMID: 28927411.

Luo J, Hendryx M, Dinh P, and He K: Association of iodine and iron with thyroid function. Biological Trace Element Research. Feb 3, 2017. [Epub ahead of print]. PMID: 28160243.

Gorczyca AM, Eaton CB, LaMonte MJ, Garcia DO, Johnston JD, He K, Bidulescu A, Goodman D, Groessl E, Lane DS, Stefanick LS, Newcomb PA, Mouton C, and Chomistek AK: Association of physical activity and sitting time with incident colorectal cancer in postmenopausal women. European Journal of Cancer Prevention. 2017 May 19. doi: 10.1097/CEJ.0000000000000351. [Epub ahead of print]. PMID: 28538039