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Sigma Nutrition Radio

By: Danny Lennon
  • Summary

  • The podcast for lovers of nutrition science! Listen to detailed discussions with researchers and leading experts about the science of nutrition, dietetics and health.
    © Sigma Nutrition
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Episodes
  • #520: How Exercise Impacts Appetite, Food Intake and Adiposity – James Dorling, PhD
    Apr 30 2024

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    About This Episode:

    Have you ever wondered how exercise affects our appetite and energy intake? While we know that single bouts of exercise can create a short-term energy deficit, do they also influence our hunger levels? And what about long-term exercise training? Could it modify our appetite in ways that help us better control our weight?

    Recent research suggests that exercise may indeed play a role in appetite regulation. Could exercise modify the subjective and homeostatic mediators of appetite in ways that enhance our feelings of fullness after a meal?

    One of the most fascinating aspects of this research is the variability in responses between individuals. Why do some people experience changes in appetite and energy intake after exercise, while others don’t? Could factors like adiposity, sex, or habitual physical activity levels play a role?

    In this episode, Dr. James Dorling of the University of Glasgow helps us delve into the evidence surrounding how factors like adiposity, sex, and habitual physical activity modulate our responses to exercise in terms of appetite, energy intake, and appetite-related hormone responses.

    About The Guest:

    Dr. James Dorling is a lecturer in Human Nutrition at the University of Glasgow. Dr. Dorling’s research is broadly focused on three areas: (1) the impact of nutrition and physical activity interventions on obesity-related endpoints and biomarkers of aging; (2) the regulators of appetite and eating behaviours; and (3) the changes in appetite and eating behaviours in response to health interventions.

    During his PhD, he studied the effects of acute exercise and obesity-related single nucleotide polymorphisms on appetite and appetite-related hormones. Following this, Dr. Dorling joined Pennington Biomedical Research Center where he worked as a postdoctoral researcher. His postdoctoral research principally focussed on the influence of calorie restriction and physical activity on weight, markers of aging, and eating behaviours.

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    49 mins
  • SNP28: How To Eat for Longevity
    Apr 23 2024

    In a world flooded with claims, advice, and recommendations on how to extend our lifespan, the buzz around various diet approaches, supplement regimens, and lifestyle hacks is deafening. But amidst the noise, one must pause to ponder: Are these claims rooted in science? And perhaps more crucially, are we even asking the right questions or pursuing the correct goals in our quest for longevity?

    Join us in our upcoming podcast episode as Danny delves into these intriguing questions. Rather than getting lost in the sea of trends and fads, Danny offers his insights on the essential inquiries we should be making. Discover how to shift our focus towards the core factors that genuinely enhance our chances of leading longer, healthier lives. Don’t miss out on this thought-provoking exploration into the science and philosophy behind longevity.

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    10 mins
  • #519: Eating Disorders: Inpatient Treatment & Challenges – Helen West, RD
    Apr 16 2024
    Acronyms & Terminology:
    • NHS - National Health Service (UK)
    • CAMHS eating disorder unit - Child & Adolescent Mental Health Service
    • Tier 4 Services - CAMHS services are organized through a tiered system. Tier 4 is the highest on the hierarchy and relates to highly specialized or inpatient services.
    • NG Feed - nasogastric (NG) tubes
    • MDT decision - multidisciplinary team (MDT) decision-making
    • CBT-E - Enhanced Cognitive Behaviour Therapy - a “transdiagnostic” treatment for all forms of eating disorder including anorexia nervosa, bulimia nervosa, binge eating disorder and other similar states​.
    • ARFID - Avoidant/restrictive food intake disorder (ARFID) is a feeding or eating disorder in which people avoid eating certain foods, or restrict their diets to the point it ultimately results in nutritional deficiencies.
    • SSCM - Specialist Supportive Clinical Management (SSCM) is a psychotherapy comprising a clinical management focus addressing anorexia nervosa (AN) symptoms and a supportive therapy component.
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    About This Episode: When exploring the landscape of eating disorder treatment and research, several crucial topics emerge, each shedding light on different aspects of this complex field.

    Firstly, the practice of nasogastric feeding under restraint raises ethical questions and considerations. How do healthcare professionals navigate the balance between ensuring adequate nutrition and respecting the autonomy and dignity of patients? What are the potential implications and risks associated with this practice?

    Progress in understanding and treating eating disorders has evolved significantly over the years, yet challenges persist in translating research findings into effective clinical practice. How can advancements in genetics, neurobiology, and psychology inform more personalized and holistic treatment approaches? What barriers hinder the implementation of evidence-based practices within healthcare settings?

    An essential aspect of eating disorder treatment is understanding what “recovery” truly means. Beyond weight restoration, what factors contribute to a meaningful and sustainable recovery journey? How can healthcare professionals support individuals in achieving their unique goals and aspirations for recovery?

    Improving services and introducing better treatment options requires a nuanced understanding of the complexities inherent in eating disorders. How can healthcare systems prioritize patient-centered care and tailor interventions to meet the diverse needs of individuals affected by eating disorders? What strategies can be employed to address systemic challenges and foster positive change within healthcare settings?

    In addressing these questions and navigating the complexities of eating disorder treatment and research, expertise and insights from seasoned professionals are invaluable.

    In this episode Helen West, an Advanced Specialist Eating Disorders Dietitian with over 12 years of clinical experience, discusses her experience and understanding of these areas. With her extensive background and expertise, Helen offers valuable perspectives in tackling these critical topics within the realm of eating disorder treatment and research.
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    48 mins

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