Undergraduate Degree

  • University of Pennsylvania , 1988 , Philadelphia , PA

Medical School

  • Harvard Medical School , 1992 , Boston , MA

Graduate Degree

  • Harvard School of Public Health , 2002 , Boston , MA


  • Boston Children's Hospital , 1993 , Boston , MA


  • Boston Children's Hospital , 1995 , Boston , MA


Pediatric Gastroenterology and Nutrition
  • Boston Combined Residency Program (BCRP) , 1998 , Boston , MA


  • American Board of Pediatrics, Pediatric Gastroenterology


Publications powered by Harvard Catalyst Profiles

  1. Genetic Polymorphisms in Fatty Acid Metabolism Modify the Association Between Dietary n3: n6 Intake and Risk of Ulcerative Colitis: A Prospective Cohort Study. Inflamm Bowel Dis. 2017 11; 23(11):1898-1904. View abstract
  2. Identification and Characterization of a Novel Association between Dietary Potassium and Risk of Crohn's Disease and Ulcerative Colitis. Front Immunol. 2016; 7:554. View abstract
  3. Zinc intake and risk of Crohn’s disease and ulcerative colitis: a prospective cohort study. Int J Epidemiol. 2015 Dec; 44(6):1995-2005. View abstract
  4. High School Diet and Risk of Crohn's Disease and Ulcerative Colitis. Inflamm Bowel Dis. 2015 Oct; 21(10):2311-9. View abstract
  5. Endogenous levels of circulating androgens and risk of Crohn's disease and ulcerative colitis among women: a nested case-control study from the nurses' health study cohorts. Inflamm Bowel Dis. 2015 Jun; 21(6):1378-85. View abstract
  6. Measures of obesity and risk of Crohn's disease and ulcerative colitis. Inflamm Bowel Dis. 2015 Feb; 21(2):361-8. View abstract
  7. Sleep duration affects risk for ulcerative colitis: a prospective cohort study. Clin Gastroenterol Hepatol. 2014 Nov; 12(11):1879-86. View abstract
  8. Physical activity and risk of inflammatory bowel disease: prospective study from the Nurses' Health Study cohorts. BMJ. 2013 Nov 14; 347:f6633. View abstract
  9. A prospective study of long-term intake of dietary fiber and risk of Crohn's disease and ulcerative colitis. Gastroenterology. 2013 Nov; 145(5):970-7. View abstract
  10. Long-term intake of dietary fat and risk of ulcerative colitis and Crohn's disease. Gut. 2014 May; 63(5):776-84. View abstract
  11. Early life factors and risk of inflammatory bowel disease in adulthood. Inflamm Bowel Dis. 2013 Mar; 19(3):542-7. View abstract
  12. Association between depressive symptoms and incidence of Crohn's disease and ulcerative colitis: results from the Nurses' Health Study. Clin Gastroenterol Hepatol. 2013 Jan; 11(1):57-62. View abstract
  13. Hormone therapy increases risk of ulcerative colitis but not Crohn's disease. Gastroenterology. 2012 Nov; 143(5):1199-1206. View abstract
  14. A prospective study of cigarette smoking and the risk of inflammatory bowel disease in women. Am J Gastroenterol. 2012 Sep; 107(9):1399-406. View abstract
  15. Oral contraceptives, reproductive factors and risk of inflammatory bowel disease. Gut. 2013 Aug; 62(8):1153-9. View abstract
  16. Aspirin, nonsteroidal anti-inflammatory drug use, and risk for Crohn disease and ulcerative colitis: a cohort study. Ann Intern Med. 2012 Mar 06; 156(5):350-9. View abstract
  17. Geographical variation and incidence of inflammatory bowel disease among US women. Gut. 2012 Dec; 61(12):1686-92. View abstract
  18. Higher predicted vitamin D status is associated with reduced risk of Crohn's disease. Gastroenterology. 2012 Mar; 142(3):482-9. View abstract
  19. Differentiating ulcerative colitis from Crohn disease in children and young adults: report of a working group of the North American Society for Pediatric Gastroenterology, Hepatology, and Nutrition and the Crohn's and Colitis Foundation of America. J Pediatr Gastroenterol Nutr. 2007 May; 44(5):653-74. View abstract
  20. Inflammatory bowel disease associated with immune thrombocytopenic purpura in children. J Pediatr Gastroenterol Nutr. 2001 Nov; 33(5):582-7. View abstract