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Sigma Nutrition Radio

Author: Danny Lennon: Performance Nutritionist and Evidence-Based Educator

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Discussions about the science of nutrition, dietetics and health. The podcast that educates through nuanced conversations, exploring evidence and cultivating critical thinking. Hosted by Danny Lennon.
280 Episodes
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Dr. James Morton is a Professor of Exercise Metabolism at Liverpool John Moores University. He has an extensive list of published peer-review research in high impact journals, as well as being deeply involved in the highly-regarded sport science and nutrition programs at LJMU. James was Head of Nutrition at Team Sky (now Team Ineos) during a period where the team captured 5 Tour de France titles. Previously, Dr. Morton worked as head performance nutritionist at Liverpool Football Club. He also also worked with professional and amateur boxers. Show Notes: https://sigmanutrition.com/episode286/ SIGMA EVENTS: https://sigmanutrition.com/events/
Intro to Danny’s framework for defining “health”: 1) Physical Reality – 06.30; 2) Contentedness – 14.08; 3) Psychological Framework – 31.37 DUBLIN SEMINAR: https://sigmanutrition.com/healthseminar/ SHOW NOTES: https://sigmanutrition.com/episode285
Simone is an Intuitive Eating Counsellor, currently finishing MSc Nutrition and Behaviour at Bournemouth University. She is also a PhD Counselling psychology candidate. Her academic research area is body image and adaptive eating, and she practices as a therapist in the field of nutrition, chronic dieting, body image and eating disorders. In This Episode We Discuss The scale of the problem of negative body image Tying appearance to self-worth & personal identity External drivers of negative body image Root causes of obesity Why “self-responsability” isn’t helpful at scale Steps in modifying body image Self-talk: moving from negative to neutral to positive Can non-weight loss interventions improve health to the same degree as those that lead to weight loss in “at risk” groups (e.g. those with diabetes or with obesity)? SHOW NOTES: https://sigmanutrition.com/episode284/
Dr. Williams is the Director of the Sports Genomics Laboratory and is a Reader in Sport and Exercise Genomics at Manchester Metropolitan University. Alun is also Honorary Senior Research Associate at University College London. He has a PhD from the University of Birmingham. He has published expert position statements about the ethics and practicality of applying genetic technologies in sport. And was recently involved in the historic IAAF vs. Caster Semenya case related to testosterone levels within athletes with differences of sexual development (DSD). SHOW NOTES: https://sigmanutrition.com/episode283/
Professor Louise Burke has been one of the most highly respected and accomplished sports nutrition researchers over several decades. She has been the head of sports nutrition at the Australian Institute of Sport (AIS) for nearly 30 years, publishing a vast number of important, novel and high-quality papers in the sports nutrition field. Professor Bourke’s research interests lie in nutritional intervention strategies for sporting performance. The goal of Louise’s research is to find practical nutrition strategies that athletes and coaches can use to achieve optimum performance. Often this will involve examining metabolism during and after exercise to discover how complex systems work. SHOW NOTES: https://sigmanutrition.com/episode282/
Dr. Jake Linardon is a Lecturer in Psychology at Deakin University, Melbourne Australia. He started working at Deakin in 2018, shortly finishing his PhD at Australian Catholic University (2017). He continues to research into eating disorders, with a primary focus on testing and evaluating a broad range of treatment approaches for eating disorders. SHOW NOTES: https://sigmanutrition.com/episode281/
Dr Elliott-Sale is an associate professor in female physiology at Nottingham Trent University. There, she is also the Head of the Musculoskeletal Physiology Research Group. She is also responsible for teaching on the undergraduate and postgraduate Sport Science degree programmes. Dr Elliott-Sale teaches mainly in the areas of Exercise Physiology and particularly in Female Physiology, Performance, and Health. In This Episode We Discuss: --> Menstrual disorders: secondary amenorrhea (loss of 3 or more consectively) vs. oligomenorrhea (cycle longer than 45 days), vs.Functional --> Hypothalamic Amenorrhea (FHA) vs milder symptoms of some dysfunction --> What is happening on a hormonal level that ties in with menstrual issues? --> Understanding “energy availability” --> How do we quantify what is “low” energy availability? --> Relative Energy Deficiency in Sport VS. Female Athlete Triad --> Landmark papers that really advanced understanding of this concept Triad can lead to decreased estrogen. --> Implications for contraceptive pill users? --> Difference in risk between genders? --> Difference in expression of symptoms among genders? --> Reduced EA = increased illness/injury and thus more opportunities to train are lost. --> Recommendations for at risk athletes --> The screening and diagnosis of RED-S is challenging, as symptomatology can be subtle. --> Individuality: How great the energy deficiency needs to be for that individual to be symptomatic SHOW NOTES: https://sigmanutrition.com/episode280
Avrum Bluming received his MD from the Columbia College of Physicians and Surgeons. He spent four years as a senior investigator for the National Cancer Institute and for two of those years was director of the Lymphoma Treatment Center in Kampala, Uganda. He organized the first study of lumpectomy for the treatment of breast cancer in Southern California in 1978, and for more than two decades he has been studying the benefits and risks of hormone replacement therapy administered to women with a history of breast cancer. Dr. Bluming has served as a clinical professor of medicine at USC and has been an invited speaker at the Royal College of Physicians in London and the Pasteur Institute in Paris. He was elected to mastership in the American College of Physicians, an honor accorded to only five hundred of the over one hundred thousand board-certified internists in this country. Carol Tavris received her PhD in social psychology from the University of Michigan. Her books include Mistakes Were Made (But Not by Me), with Elliot Aronson; Anger: The Misunderstood Emotion, and The Mismeasure of Woman. She has written articles, op-eds, and book reviews on topics in psychological science for a wide array of publications — including the Los Angeles Times, the New York Times Book Review, the Wall Street Journal, and the TLS — and a column, “The Gadfly,” for Skeptic magazine. She is a fellow of the Association for Psychological Science and has received numerous awards for her efforts to promote gender equality, science, and skepticism. SHOW NOTES: https://sigmanutrition.com/episode279/
Jackson is currently completing his PhD at the University of Western Australia in Perth. He is currently running the largest dieting study ever done on athletes in Australia. This research called the ICECAP trial (Intermittent versus Continuous Energy restriction Compared in an Athlete Population), looks at the effect of including a “diet break” week after every 3 weeks of dieting, compared to a continuous hypocaloric diet for the duration of the full dieting period. In This Episode We Discuss: - Theoretical reasons for including diet breaks and refeeds within dieting periods - Distinguishing between intermittent fasting protocols and intermittent moderate energy restriction (MOD-IER) - Lessons learned from the MATADOR trial - What might differ between obese and athletic populations - Design of Jackson’s “ICECAP trial” - Determining the duration, frequency and magnitude of diet breaks, refeeds and energy restriction - Current best practices for implementing these strategies SIGMA EVENTS: https://sigmanutrition.com/events
Eric is currently a Research Fellow at Auckland University of Technology, New Zealand. His work is focused on training and nutrition interventions that could have implications for bodybuilders, powerlifters and other strength athletes. Eric has many peer reviewed publications and currently has many ongoing research projects and collaborations. Previously, Eric completed his PhD at AUT. He also holds a BS in fitness and wellness, an MS in exercise science, and a MPhil in sports nutrition. For the better part of his career he’s been a coach at 3D Muscle Journey, working with drug free strength and physique competitors at all levels. Eric, along with Greg Nuckols and Dr. Mike Zourdos, created the monthly reserach review MASS (Monthly Applications in Strength Sports), which breaks apart some of the recent research carried out that is relevant to strength athletes, bodybuilders and powerlifters. He is also the author of the highly popular Muscle & Strength Pyramids set of books. As an athlete, Eric has competed as a bodybuilder and powerlifter. This year (2019) he returns to the bodybuilding stage for the first time in eight years, for his fourth competition season. In This Episode We Discuss: Ongoing trial looking at effects of differnt sizes of caloric surplus for muscle gain Eric’s unconventional appraoch to his current contest prep Non-quantitative tracking and assessment of progress Applying lessons from bodybuilding to other areas of life SHOW NOTES: https://sigmanutrition.com/episode277/
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Comments (9)

Aaron Trowbridge

Very interesting debate, thanks for the quality content.

Jan 13th
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Benyamin Asgari

excelent podcast . love it .

Jan 2nd
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Maria Kirby

Another brilliant episode !! I wondered if you would consider doing an episode/discussing how to know what probiotics are recommended for different conditions. I have had my gallbladder removed and suffer with poor digestion and would love to hear more about what I can do to help digestion and possibly what probiotics are recommended for this. Thanks, Maria

Nov 29th
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Matt M

👌🏽

Sep 18th
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Matt M

Great episode 👍🏼

Sep 11th
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ADSK8ER

Love the show!

Jun 8th
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Artin Entezarjou

Great show! We use it to get insight into the evidence for our Instagram page @ebtofficial

May 18th
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Benjamin Mutch

Just found your podcast loving it so far, ATP science is my other favourite but they are also selling products so it is a little bit tainted in that way. your podcast is refreshing because you aren't trying to sell me anything. excepting maybe your guests or sponsors but there's no getting around that. thanks for the hard work love it. p.s. is it possible to have your patreon link in the description on castbox?

May 15th
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Andrew Moore

Very informative and enjoyable!

Mar 5th
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