Dr. Laurie Twells

Associate Professor
Cross appointment with Faculty of Medicine

Dr. Twells completed a Master of Science in Epidemiology and Health Policy at the London School of Hygiene and Tropical Medicine and the London School of Economics in London, UK before completing her PhD in Clinical Epidemiology at Memorial University.

Research Areas of Interest:

  • Prevention, management and treatment of obesity
  • Childhood obesity
  • Infant nutrition
  • Child and maternal health
  • Health services research
  • Clinical epidemiology
  • Epidemiology

Teaching Areas of Interest: Epidemiology, Clinical Epidemiology, Research Design and Methods, Health Policy and Health Systems

Current Projects:

  • The NL Bariatric Surgery Cohort (BaSco) Study - a pre-experimental study with pre-surgical and post-surgical assessments of laparoscopic sleeve gastrectomy (bariatric) surgery
  • The Feeding Infants in NL (FiNaL) Study - a provincial population-based prospective cohort study of over 1000 expectant women and assessment of maternal attitudes to infant feeding

Selected Publications:

  • Twells LK, Midodzi W, Gill N, Halfyard B, Burrage L, Murphy-Goodridge J, Schiff R, Newhook L. Assessing Infant Feeding Attitudes of Expectant Women in a Provincial Population in Canada: Validation of the Iowa Infant Feeding Attitude Scale. Journal of Human Lactation 2014. DOI:10.1177/0890334414559647
  • Twells LK, Gregory D, Reddigan J, Midodzi W. The current prevalence and future predictions of obesity in Canada: a trend analysis. CMAJ Open 2014;2(1):E18-E26.
  • Gregory Deborah, Temple Newhook J, Twells LK. Patients perceptions of waiting for bariatric surgery: a qualitative study. International Journal for Equity in Health 2013; 12:86. DOI:10.1186/10.1186/1475-9276-12-86.

Full list of publications.


Dr. Laurie Twells
Phone: (709) 777-8920



School of Pharmacy

230 Elizabeth Ave, St. John's, NL, CANADA, A1B 3X9

Postal Address: P.O. Box 4200, St. John's, NL, CANADA, A1C 5S7

Tel: (709) 864-8000