Nutrition Conversations

by The Canadian Nutrition Society

Season 3

From Science to the Supper Table: Nutrition at the Heart of Diabetes Care with Dr. Hertzel Gerstein and Ms. Keri Howell

Diabetes is one of the fastest-growing health challenges worldwide, affecting approximately 589 million adults between the ages of 20-79 years and shaping the way we think about diet, lifestyle, and long-term health. While advances in medicine have transformed treatment, nutrition remains one of the most powerful tools for both prevention and management. Dr. Hertzel Gerstein is an Endocrinologist and Professor at McMaster University and Hamilton Health Sciences in Hamilton, where he holds the Population Health Research Institute Chair in Diabetes. He is also the Executive Director of the Population Health Research Institute, former Director of the Boris Clinic Diabetes Care and Research Program, and a Fellow of the Canadian Academy of Health Sciences and Royal Society of Canada. Dr. Gerstein pioneered and firmly established international long-term patient-important cardiovascular outcomes trials as the norm for clinical diabetes research. Throughout his career, he’s received many awards, including the 2012 Canadian Diabetes Association’s Lifetime Achievement Award and the 2022 American Diabetes Association’s Outstanding Achievement in Clinical Diabetes Research Award. Ms. Keri Howell is a registered dietitian and certified diabetes educator with Diabetes Care Guelph. She is also a member of the PEACH Sustainable Food Services Committee and has contributed to the Sustainable Food Services Business Case and Implementation Guide. She has dedicated her career to exploring the personal, cultural, and community-focused aspects of nutrition, emphasizing that nourishment extends beyond physical health to emotional and spiritual well-being. Ms. Howell believes that integrating nutrition into patient care requires an understanding of what food means to each individual and asserts that when patients see their cultural foods represented and have autonomy over their food choices, their health outcomes improve. In this episode, Dr. Gerstein and Ms. Howell discuss how nutrition shapes the prevention and management of diabetes. This episode is sponsored by CONTOUR NEXT.

S3 · E8

Oct 31, 2025

46:02

Feeding the Future - Inuit Food Sovereignty in Action with Lynn Blackwood and Dr. Farzaneh Barak

Food security is a critical issue that affects communities worldwide, yet the challenges and solutions are deeply rooted in local contexts, cultures, and policies. Disadvantaged groups, including Indigenous Peoples in Canada, face unique barriers to food access, deeply tied to historical, environmental, and socioeconomic factors. Ensuring culturally relevant and sustainable food systems requires evidence-based policies and community-driven solutions. Lynn Blackwood is a Nunatsiavut beneficiary born and raised in Happy Valley-Goose Bay, Newfoundland and Labrador. She currently serves as Food Security Programs Manager with the Nunatsiavut Government, leading initiatives to improve food security in the region and is the first Inuk dietitian and one of the few Indigenous dietitians in Canada, with over 25 years of professional experience across the Northwest Territories, British Columbia, and Newfoundland and Labrador. Lynn has served as a jury member for the Canadian Space Agency’s Deep Space Food Challenge and as a past director on the boards of Dietitians of Canada and the Canadian Foundation of Dietetic Research. Dr. Farzaneh Barak is an Adjunct Research Professor at Carleton and Waterloo Universities, where she conducts research on Canada’s and global food security. She also serves as Senior Policy Advisor and Food Security Lead at Inuit Tapiriit Kanatami (ITK), the national representative organization for Inuit in Canada. She has over fifteen years of experience in national and international research and practice—including work in Uganda, Malawi, Canada, and Iran. With expertise in food policy, intersectional gender analysis, and public health nutrition, Dr. Barak is dedicated to addressing systemic barriers to food security and promoting policies that advance food sovereignty and sustainable community-driven food systems. In this episode, Lynn and Dr. Barak discuss food security in Inuit communities, highlighting the unique challenges they face and the culturally grounded, community-led solutions needed to support sustainable and equitable food systems.

S3 · E7

Oct 7, 2025

43:35

Hidden Hunger in the First 1000 Days with Dr. Kyly Whitfield

The first 1,000 days—from conception to a child’s second birthday—represent a critical window for growth, development, and long-term health. Nutrition during this period lays the foundation for growth, cognitive development, immune function, and chronic disease risk. Research in this area helps inform global strategies to improve maternal and child health outcomes. Dr. Kyly Whitfield is an Associate Professor in the Department of Applied Human Nutrition at Mount Saint Vincent University and is passionate about international nutrition, with interests in identifying and combating micronutrient deficiencies during ‘the first thousand days’ window. Her research focuses on maternal thiamin deficiency and infantile beriberi, mainly in rural Cambodia, an area where thiamin-related infant mortality remains a major public health issue. Alongside a few fellow CNS members, Kyly also co-edited a book titled ’The biology of the first 1,000 days’ which is a cross-disciplinary deep dive that explores the biological underpinnings of this critical developmental window. In this episode, Dr. Whitfield discusses global micronutrient deficiencies in the first 1000 days with a focus on thiamin.

S3 · E6

Jul 31, 2025

34:27

Vieillir en force: nutrition et santé musculaire avec Dre Stéphanie Chevalier / Aging Strong: Nutrition and Muscle Health with Dr. Stéphanie Chevalier

Les personnes âgées représentent le groupe démographique qui croît le plus rapidement au Canada, avec 19 ? la population âgée de 65 ans et plus, soit environ 7 millions de personnes. L’exercice, l’activité physique et la nutrition sont des éléments essentiels d’un vieillissement en santé, contribuant au maintien de la santé musculosquelettique et à la réduction du risque de sarcopénie. Dre Stéphanie Chevalier est diététiste, professeure agrégée à l'École de nutrition humaine de l’Université McGill et chercheuse à l’Institut de recherche du CUSM. Spécialiste du métabolisme des protéines, elle étudie le rôle des nutriments dans la perte musculaire liée au vieillissement et à certaines maladies comme le cancer et le diabète. Ses recherches récentes portent sur les liens entre nutrition, santé musculaire et cognition chez les aînés. Son programme est financé par les IRSC, le FRQS, la Société canadienne du cancer et la FCI. Elle est présidente de la Société canadienne de nutrition et membre du comité directeur de l’étude NuAge. Dans cet épisode, Dre Chevalier abordera le rôle de la nutrition dans le vieillissement, un sujet au cœur des préoccupations liées au vieillissement en santé. Please note that this podcast has been recorded in French; however, you may view the script in English here Older adults represent the fastest-growing demographic group in Canada, with 19% of the population aged 65 and over—approximately 7 million people. Exercise, physical activity, and nutrition are essential components of healthy aging, helping to maintain musculoskeletal health and reduce the risk of sarcopenia. Dr. Stéphanie Chevalier is a registered dietitian, Associate Professor at the School of Human Nutrition at McGill University, and a researcher at the Research Institute of the McGill University Health Centre. A specialist in protein metabolism, she studies the role of nutrients in muscle loss associated with aging and certain diseases such as cancer and diabetes. Her recent research focuses on the links between nutrition, muscle health, and cognition in older adults. Her research program is funded by CIHR, FRQS, the Canadian Cancer Society, and the Canada Foundation for Innovation. She is President of the Canadian Nutrition Society and a member of the steering comity of the NuAge longitudinal study on nutrition and aging. In this episode, Dr. Chevalier will discuss the role of nutrition in aging—an issue at the heart of healthy aging concerns.

S3 · E5

Jun 27, 2025

44:04

Digest This: The Truth About Your Gut with Kelsey Moore

Digestive health plays a crucial role in overall well-being, impacting everything from nutrient absorption and immune function to mental health. At the heart of this system is the gut microbiome—a complex network of microorganisms that helps regulate inflammation, metabolism, and even the risk of chronic diseases. Despite its importance, digestive health is often misunderstood, with myths about probiotics, fibre, gluten, and conditions like irritable bowel syndrome (IBS) and celiac disease continuing to circulate widely. Kelsey Moore is a Registered Dietitian with a retail nutrition background and experience in the digestive health space. Kelsey graduated from The University of British Columbia in 2019. She started her career as a sports dietitian and then moved into the retail space where she worked as a Nutrition Operations manager for a local BC food retailer. She is currently working as the Senior Account Manager of Nutrition for the Canadian Digestive Health Foundation where she works with food and supplement brands to help deliver digestive health resources to Canadians. Kelsey is passionate about providing evidence-based information on digestive health and is currently on track to becoming a Monash FODMAP-trained dietitian. In this episode, Kelsey discusses common myths and misconceptions around digestive health. This podcast is in collaboration with the Canadian Digestive Health Foundation (https://cdhf.ca/en/).

S3 · E4

May 30, 2025

29:30

Canadian Food Regulations: Are they barriers or facilitators to food innovations in Canada? with Dr. William Yan, Dr. Samuel Godefroy and guest host, Teresa Mastrodicasa

Over the past decade, food and food systems have emerged as key to tackling non-communicable diseases, sustainability, and food security. This has spurred major investments in technologies that transform how we produce and consume food. Yet, regulation and policy remain major barriers to innovation, access, and identifying foods that support healthy diets. Dr. William Yan earned his Ph.D. in Medical Microbiology and Infectious Diseases from the University of Alberta and joined Health Canada in 1995. As Director of the Bureau of Nutritional Sciences (2010–2022), he led key Healthy Eating Strategy initiatives, including sodium reduction, trans fat elimination, and front-of-package labelling. Now retired, he is a CNS-SCN Fellow, and teaches at the University of Ottawa. Dr. Samuel Godefroy, former Director General of Health Canada’s Food Directorate and Vice Chair of the Codex Alimentarius Commission, has over 25 years of experience in food regulatory science and policy. He is President of both the International Union of Food Science and Technology and the Global Food Regulatory Science Society. Currently, he is a Full Professor at Laval University, where he leads the Food Risk Analysis and Regulatory Excellence Platform. In this episode, Dr. Yan and Dr. Godefroy discuss regulation and policy as a barrier and facilitator to addressing food system challenges, with a primary focus on food manufacturing and consumers as targets for food system modernization. This podcast is sponsored by Protein Industries Canada.

S3 · E3

Apr 30, 2025

57:48

Why We Store Fat Differently: The Science Behind Metabolism and Obesity with Dr. Kafi Ealey

Research shows that adipose (fat) tissue isn’t just stored energy—it plays a critical role in metabolism, inflammation, and disease risk. Biological, environmental and nutritional factors contribute to differences in how people store fat and develop conditions such as obesity and type 2 diabetes. Dr. Kafi Ealey is an assistant professor in the School of Nutrition at Toronto Metropolitan University. Dr. Ealey obtained her MSc and PhD from the Department of Nutritional Sciences at the University of Toronto and completed postdoctoral training at the RIKEN Center for Integrative Medical Sciences in Yokohama, Japan, as well as in the Department of Translational Medicine at the Toronto Hospital for Sick Children Research Centre. Dr. Ealey’s research is focused on understanding the biological and cellular processes that govern the diverse functions of metabolic tissues to promote overall health. Her work employs a range of experimental models to determine how nutrition can affect fat storage, the immune system, and how the body uses energy, and helps us better understand how to prevent or manage chronic metabolic diseases. Dr. Ealey is particularly passionate about examining the biological variations in metabolic systems that contribute to racial and ethnic disparities in the prevalence of obesity-related conditions, including type 2 diabetes. In this episode, Dr. Ealey discusses how fat storage and metabolism vary across individuals and populations, and why these differences matter for health.

S3 · E2

Mar 31, 2025

30:41

Stronger for Longer: The Power of Exercise in Healthy Aging with Dr. Lora Giangregorio

Older adults are the fastest-growing demographic in Canada, yet gaps in care persist, including limited healthcare access, social isolation, and rising cognitive decline. Addressing these challenges through diet and physical activity is key to promoting healthy aging and quality of life. Dr. Lora Giangregorio is a Professor in the Department of Kinesiology and Health Sciences at the University of Waterloo and Tier 1 Canada Research Chair in Bone Health and Exercise Science. She leads the Bone Health and Exercise Science Lab, also known as the BonES lab. The BonES lab team leads research on physical activity for older adults and people with osteoporosis. Dr. Giangregorio is a member of the Scientific Advisory Council for Osteoporosis Canada and was on the leadership team that developed the 2020 Canadian 24-hour Movement Guidelines. She also led the Exercise Working Group for the 2023 Clinical Practice Guidelines for Management of Osteoporosis and Fracture Prevention in Canada. In this episode, Dr. Giangregorio discusses the vital role of exercise in supporting mobility, bone health, and muscle strength in older adults.

S3 · E1

Feb 28, 2025

33:00

Season 2

Understanding Sodium: From Tackling Public Health Concerns to Practical Ways to Cut Back with Dr. JoAnne Arcand

Sodium is essential for our bodies, but too much can have serious consequences for our health, including raising blood pressure and increasing the risk of heart disease. Dr. JoAnne Arcand is an Associate Professor and Registered Dietitian in the Faculty of Health Sciences at Ontario Tech University. She leads a research program that explores evidence-based approaches to the implementation of nutrition policies and interventions to enhance population-wide strategies aimed at supporting healthy eating, including dietary sodium. Her research addresses behavioural nutritional risk factors across the lifecycle, from children to older adults, for both the general public and people affected by chronic diseases. Her work is recognized by awards such as a Heart and Stroke Foundation National New Investigator Award, Hypertension Canada Young Investigator Award, and a CIHR-INMD New Investigator Award. In this episode, Dr. Arcand discusses the role of sodium on our health and strategies to reduce its intake.

S2 · E12

Dec 27, 2024

54:34

Building a SHIELD: The Power of Nutrition in Healthy Aging with Dr. Agnes Siew Ling Tey

The world's over-65 population is expanding rapidly, and the risk of malnutrition is prevalent in this population. Meeting nutritional needs is a recognized strategy to reduce and address multiple debilitating adverse health outcomes associated with malnutrition. Dr. Agnes Siew Ling Tey, Senior Lead of Clinical Science & Nutrition at Abbott in Singapore. Her research centers on pioneering dietary strategies to prevent and manage malnutrition, cardiometabolic diseases, and obesity. With over 50 contributions to international peer-reviewed journals, and an evidence-based position statement for the National Heart Foundation of New Zealand, Dr. Tey is also an esteemededitor and reviewer for various scientific journals. Prior to joining Abbott in 2016, Dr. Tey was a Research Fellow at the Clinical Nutrition Research Centre of Singapore's Agency for Science, Technology and Research (A*STAR). At Abbott, she has provided scientific leadership as the Study Chair and Lead Scientist for the Strengthening Health In ELDerly through nutrition (SHIELD) study on elderly nutrition and has led several randomized controlled trials in diabetes. Her broad expertise includes clinical research on malnutrition in older adults and cardiometabolic diseases in populations who are overweight or living with obesity. In this episode, Dr. Tey discusses the role of nutrition in healthy aging with a focus on the Strengthening Health in Elderly through Nutrition Study. This podcast episode is sponsored by Abbott.

S2 · E11

Nov 29, 2024

26:17

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