23 episodes

Unbiased and up-to-date information on evidence-based nutrition, fitness and health.

The Health Scientist Podcast The Health Scientist

    • Nutrition

Unbiased and up-to-date information on evidence-based nutrition, fitness and health.

    Ep.23 Marika Day: Irritable Bowel Syndrome, food, stress and lifestyle

    Ep.23 Marika Day: Irritable Bowel Syndrome, food, stress and lifestyle

    Marika Day is an Accredited Practising Dietitian and Nutritionist with a special interest in Irritable Bowel Syndrome and gut health, which came after her own diagnosis of Coeliac Disease. With a strong evidence based and no BS approach to nutrition she has helped hundreds of people around the world improve their symptoms and quality of life with her online IBS and Gut Health Program and one-on-one coaching. Marika is passionate about helping people live their healthiest, happiest lives and believes nutrition should be about freedom and health rather than restriction and fear.


    Marika's Instagram


    Marika's Website


    In this episode we cover:



    How Marika's diagnosis with Coeliac disease lead her to pursue a career in nutrition/dietetics
    An overview of Irritable Bowel Syndrome and it's symptoms
    The importance of and difficulty in correctly diagnosing IBS
    The importance of guided help from an experienced nutritionist/dietitian
    The differences between IBS Constipation and Diarrhea types
    Some of the potential causes of IBS as well as the role of stress
    Individualisation when it comes to helping people with the lifestyle changes necessary for helping IBS
    What is a low-FODMAP diet and what is it's role in treating IBS
    What medications are potentially useful for people with IBS
    The role of exercise and meditation in managing IBS
    Why are we hearing about IBS more frequently these days? What role is social media playing?
    Can food intolerance or microbiome tests help diagnose IBS?
    Marika's own online programme to help people manage IBS

    • 54 min
    Ep.22 Jose Antonio: Protein research, health benefits and safety

    Ep.22 Jose Antonio: Protein research, health benefits and safety

    Jose Antonio PhD FNSCA FISSN is the CEO and co-founder of the International Society of Sports Nutrition (www.issn.net) as well as the co-Founder of the Society of NeuroSports, the first academic society that focuses on sports neuroscience. Dr. Antonio has published more books and scientific publications than you will ever care to read. Dr. Antonio completed a Ph.D. and post-doctoral research fellowship at the University of Texas Southwestern Medical Center in Dallas Texas. He is an Associate Professor and the Program Director of Exercise Science at Nova Southeastern University in Ft Lauderdale FL. In his spare time, he prefers to do SUP (stand up paddling) throughout the state of Florida. If he weren’t a scientist, he’d probably be a beach bum. His latest research is on the effects of creatine on cognition as well as the role of contact sports on the etiology of brain trauma.


    Dr Antonio's/ISSN Instagram


    Dr Antonio's Twitter


    ISSN Website


    In this episode we cover:



    How Jose's research focus moved from muscle hypertrophy to the role of protein in the athletes
    What the ISSN does to promote evidence based practice in sports nutrition
    The misinformation around the health effects of protein and how it lead to Jose's research investigations
    Why physique athletes can sometimes make great subjects for nutrition experiments
    Protein overfeeding and how it differs from overfeeding on carbs or fats
    How protein may increase energy expenditure and aid improvements in body composition/loss of fat mass
    The effects of very high protein diets on kidney function over a whole year.
    How do dietary recommendations differ between athletes and the general population
    How much protein should people be eating for health
    The importance of protein for older people to help prevent sarcopenia (muscle loss)
    The importance of muscle mass for maintaining health as we age
    The relationship between protein intake, exercise and bone mass
    The Society for Neuroscience and the role of exercise in how our brains work
    The benefit of creatine for cognitive function, particularly in vegetarians and vegans

    • 58 min
    Ep.21 Emilia Thompson: Diet culture, mindfulness and body confidence

    Ep.21 Emilia Thompson: Diet culture, mindfulness and body confidence

    Emilia Thompson is a Registered Nutritionist with the Association for Nutrition, is an online nutrition consultant and educator and lecturer in Sports Nutrition. With a PhD in Exercise Physiology and Life Coaching Diploma, Emilia supports individuals with an evidence-based holistic approach to improve health, food relationships and body composition. In addition, Emilia previously competed as a bikini athlete as part of PCA Team GB and won second place at British Finals 2017.


    Emilia's Instagram


    Emilia's Website


    In this episode we cover:



    Emilia's experiencing competing in Bikini competitions and how it helped her develop her practices around food
    The importance of disassociating body image with self worth while allowing people to change their bodies if they want to
    The importance of self work in improving one's body image over time
    The difficulty in navigating social media because of the risks of people comparing themselves to images they see online
    How being authentic and honest on social media is essential to promote better messages
    The importance of the Health At Every Size movement along with the danger of taking extremist views
    How intuitive eating and eating intuitively are two different practices and their relevance for diet culture
    The importance of being comfortable with one's self and letting go of a reliance on scale weight
    The role of a period of food tracking in helping to establish good food habits in some people
    When and how Emilia might help someone move away for calorie tracking
    Mindful eating and how it's something very few people practice these days
    The evidence-based benefits of meditation for promoting mindfulness
    How Emilia's practices have evolved over the last 10 years and how she's come to put a priority on self-compassion

    • 56 min
    Ep.20 Danny Lennon: Chrononutrition, circadian rhythms and metabolic health

    Ep.20 Danny Lennon: Chrononutrition, circadian rhythms and metabolic health

    Danny is the founder of Sigma Nutrition, a company providing educational, science-based content on nutrition & health sciences. Of this content, Danny is perhaps most well-known for being the host of the top-ranked podcast, Sigma Nutrition Radio. Danny has a MSc. Degree in Nutritional Sciences from University College Cork, in addition to an undergraduate degree in biology and physics.
    He uses his scientific background to read and interpret the latest nutrition research, before communicating the key points to his audience. In addition to his science background, Danny has also worked as a nutrition practitioner for several years. He has presented internationally at conferences and seminars across several European cities, as well as in Australia and the United States.


    Danny's Instagram


    Sigma Nutrition Instagram


    Sigma Nutrition Website


    In this episode we cover:



    What is chrononutrition and why is Danny so into it
    How does our body "keep track" of time
    What are the health issues that can arise from misalignment of circadian rhythms
    How certain chrononutrition practices can improve health markers even without weight loss
    The case for eating more calories, earlier in the day to promote weight loss and health
    How meal timing can affect how much we move and how much we want to eat
    Where do time restricted feeding or intermittent fasting fit in?
    Some pragmatic ways to apply chronotnutrition based on what the current research indicates
    Occasions where following chrononutrition based practices might not be optimal

    • 57 min
    Ep.19 Anna Escalada: Building well-balanced plant-based and vegan diets

    Ep.19 Anna Escalada: Building well-balanced plant-based and vegan diets

    Anna has a bachelor's degree in food science, is a registered dietitian/nutritionist in Spain and has a masters degree in nutrition and metabolism from the University of Barcelona which is where we met and became friends many years ago. Anna works online with clients, helping them construct healthy ways of eating that are more intuitive, less processed and full of plants, regardless of whether they are vegan or not. She does this with practical philosophy based around making food preparation easy for everyone. Anna has also set up a company producing award winning vegan cheeses in Barcelona.


    Anna's Instagram


    Anna's Website (Greenstinct)


    In this episode we cover:



    The three main reasons for following a vegan diet and Anna's own reasons for doing so
    An easy way to explain the difference between plant-based and vegan diets
    Why anger isn't reational and that can lead to many of the online arguments we see in from certain extremist groups
    Area's where vegan diets might fall short and how to effectively compensate for this with supplements
    Different approaches needed for vegan athletes due to the greater energy demand
    Different coaching strategies such as macronutrient tracking, when working with athletes
    The importance of developing sustainable dietary patterns when helping people with nutrition... and when to know when a diet doesn't need to be sustainable
    Anna's own strategies when helping people improve their nutritional habits
    The importance of cooking skills for better nutrition and how to make cooking easier
    The ease of falling into an unhealthy vegan diet pattern without the proper education
    Some of the main benefits of plant-based and vegan diets and the role of plants in health in general
    The dangers of using fear-based approaches for promoting certain diets
    The use of strict vegan diets as a cover for a hidden eating disorders

    • 57 min
    Ep.18 Food Science Babe: GMOs, organic foods and what they mean for health

    Ep.18 Food Science Babe: GMOs, organic foods and what they mean for health

    Erin aka Food Science Babe has a BS in Chemical Engineering from the University of Minesota. She has worked in the food industry for 10+ years in both the conventional and natural/organic sectors as an Engineer/Food Scientist. Erin started her page to combat the myths about food and the food industry. She used to have many false beliefs surrounding food, so she presents the science so that others don't fall for the same false information that she did. In addition to being a stay at home mom to her 3 year old daughter with special needs, Erin consults for small start up food companies doing product development work, scale up as well nutrition panel creation and regulatory guidance.


    Food Science Babe Instagram


    Food Science Babe Facebook


    In this episode we cover:



    Erins background in the food industry and her previous opinions on organic and GMO products
    The use of fear-based marketing in the food industry to promote specific ideas about the health effects of different products
    What are GMOs and how do they compare to other crops that humans have been breeding for thousands of years
    The use of mutagenesis with radiation and chemicals in conventional crop breeding
    Which crops actually have GMO versions?
    How lack of knowledge about GMOs leads to the great resistance against them.
    What's different about the production of organic foods?
    The actual levels of pesticides found on both organic and conventional products and can they affect health?
    How "natural" doesn't always mean safer?
    Is there a difference in the vitamin and mineral content between organic and conventional fruit and veg
    The misunderstood environmental impact of organic farming
    How use of chemicals is essential for preserving food and feeding our growing population.
    Why do people get so angry when presented with this type of information?

    • 56 min

Customer Reviews

Briadorus ,

Great nutrition podcast

I’ve been listening to the healthy scientist podcast since it started. Richie is a great host because he prepares so well and always gets the most out of all his guests. On top of that his guests are some of the most down to earth and knowledgeable people in the nutrition industry. I’d highly recommend this podcast if you’re interested in learning more about nutrition.

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