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PODCAST

Sigma Nutrition Radio

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.

health & fitness nutrition

All Episodes

45:53

SNR #214: Marty Kendall - Optimising Nutrition...

Sigma Nutrition Radio ·

2018/01/16

Marty Kendall is the man behind the Optimising Nutrition blog and creator of the Nutrient Optimiser. On the show we discuss energy density, nutrient density and insulin load. To see if you qualify for a special life insurance quote due to being health conscious, then go to healthiq,com/sigma

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01:01:57

SNR 213: Greg Potter - Chronobiology &...

Sigma Nutrition Radio ·

2018/01/09

Greg Potter is currently just finishing up his PhD at the University of Leeds in the UK. His research focus on chronobiology; looking at circadian rhythms, light-dark cycles and the potential for meals to entrain peripheral circadian clocks. Two Research Papers Examined in this Episode: Paper One: Stothard et al., 2017 - Circadian Entrainment to the Natural Light-Dark Cycle across Seasons and the Weekend Paper Two: McHill et al., 2017 - Later circadian timing of food intake is associated with

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56:12

SNR #212: Mike Zourdos, PhD - Drop Sets, Cardio for...

Sigma Nutrition Radio ·

2018/01/03

Michael (Mike) C. Zourdos, Ph.D, CSCS: Mike is an Assistant Professor in Exercise Science at Florida Atlantic University with a specialization in strength and conditioning and skeletal muscle physiology. He earned his Ph.D. in Exercise Physiology from The Florida State University (FSU) in 2012 under the guidance of Dr. Jeong-Su Kim. Prior to attending FSU Mike received his B.S. degree in Exercise Science from Marietta College and M.S. in Applied Health Physiology from Salisbury University. At

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01:01:32

SNR #211: Brianna Stubbs, PhD - Ketogenesis,...

Sigma Nutrition Radio ·

2017/12/30

Brianna Stubbs, PhD In 2016 Brianna completed her PhD in Metabolic Biochemistry at Oxford University. She also became a World Champion rower as part of the GB Rowing Lightweight Women's four person crew, and won 3 other World Rowing Championships medals. She has published peer-reviewed studies looking at ketone metabolism, ketone ester supplementation in athletes and effects of ketones on appetite. In This Episode We Discuss: Brianna's background as an elite-level rower Her PhD research on ketone

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01:09:40

SNR #210: Prof. Tim Noakes & Martin MacDonald -...

Sigma Nutrition Radio ·

2017/12/18

Click here to subscribe to Sigma Nutrition Premium This is an "open discussion" between Prof. Tim Noakes and Martin MacDonald on the topic of carbohydrates, insulin resistance and body fat. Prof. Noakes obtained an MBChB degree in 1974, an MD in 1981 and a DSc (Med) in Exercise Science in 2002. In the early 90s, Noakes teamed up with Morné du Plessis to drive the founding of the Sports Science Institute of South Africa (SSISA). Prof Noakes has published more than 750 scientific books and articles

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55:52

SNR #209: Amy Bender, PhD - Sleep Better: Practical...

Sigma Nutrition Radio ·

2017/12/12

Sleep researcher Dr. Amy Bender discusses the most current evidence-based recommendations for optimizing your sleep for health and athletic performance. Dr. Bender is the Clinical Program Director of Athlete Services at the Centre for Sleep & Human Performance and is also an adjunct professor of Kinesiology at the University of Calgary. She received her PhD and Master of Science degrees in Experimental Psychology from Washington State University in Spokane, WA specializing in sleep EEG. Her current

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57:48

#208: Herman Pontzer, PhD - Constrained Energy...

Sigma Nutrition Radio ·

2017/12/06

Show notes here Evoultionary biologist Dr. Herman Pontzer of Hunter College discusses the model of contrained energy expenditure and the metabolic adaptations that accompany high levels of physical activity. Dr. Pontzer is an associate professor at the Department of Anthropology, Hunter College & City University of New York. He is an evolutionary biologist with a PhD in Biological Anthropology from Harvard University. He has published seminal work in the area of energetics, including viewing human

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01:01:54

SNR #207: Alex Ritson - Research: Dynamic Fat Loss...

Sigma Nutrition Radio ·

2017/11/21

Alex Ritson is on the show to dive into two recent recent papers; one investigating the theories of dynamic fat loss models, and the other looking at the effect of low-rep vs. high-rep training for hypertrophy and strength. Papers Discussed in this Episode Paper 1: Silva et al., 2017 - Do Dynamic Fat and Fat-Free Mass Changes follow Theoretical Driven Rules in Athletes? Paper 2: Morton et al., 2016 - Neither load nor systemic hormones determine resistance training-mediated hypertrophy or strength

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01:08:33

SNR #206: Alessandro Ferretti - Blood Glucose, HRV &...

Sigma Nutrition Radio ·

2017/11/14

Nutritionist Alessandro Ferretti discusses data he has collected that may inform us as to the inflammatory response to diet and lifestyle, using markers such as blood glucose, heart rate variability and Alessandro's metric of "HRV/BG Index".

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51:16

SNR #205: Brandon Roberts, PhD - Muscle Physiology &...

Sigma Nutrition Radio ·

2017/11/07

Brandon has a PhD in Muscle Biology and is currently a Postdoctoral Fellow researching muscle physiology related to hypertrophic adaptations. He is a published author or peer-reviewed research. In addition to his prowess in academia, Brandon is well-respected and experience in the practical side of things; being a Certified Strength and Conditioning Specialist (CSCS), USA Weightlifting Sports Performance Coach and online coach for The Strength Guys. As a writer, Brandon has been published in Alan

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36:28

SNR #204: Greg Nuckols - Research Breakdown:...

Sigma Nutrition Radio ·

2017/11/01

sigmanutrition.com/mass Greg Nuckols is on the show to review two recent research papers; one looking at concurrent training and the interference effect, and the other looking at the fat-free mass index in athletes. Greg Nuckols is the founder of StrongerByScience.com, a website that provides comprehensive information about how to get stronger and more jacked. Greg has over a decade of experience under the bar, and a BS in Exercise and Sports Science. He’s held 3 all-time world records in

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42:14

SNR #203: Arthur Lynch - FFM for Strength & HMB vs....

Sigma Nutrition Radio ·

2017/10/25

Arthur is an exercise physiology PhD researcher and international-level competitive lifter in the IPF. He is head powerlifting coach at Sigma Nutrition. His current research is based on HMB supplementation and anabolism. Research Papers Discussed In This Episode: Study #1: Brechue & Abe, 2002 - The role of FFM accumulation and skeletal muscle architecture in powerlifting performance Study #2: Wilkinson et al., 2013 - Effects of leucine and its metabolite β-hydroxy-β-methylbutyrate on human skeletal

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45:49

SNR #202: Andrea Valdez: Insights About Coaching,...

Sigma Nutrition Radio ·

2017/10/17

Andrea Valdez has been an athlete her entire life. As a former competitive gymnast and long-time coach in the sport, she developed a discipline and respect for the powers that strong minds and bodies can achieve. This led her to continued success in competitive cheerleading and bodybuilding throughout her journey in higher level education. She received a Kinesiology degree from Texas A&M University-Corpus Christi with an emphasis in Sports Management and a Minor in Business Administration. Upon

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54:16

SNR #201: Eric Helms - Anabolic Sensitivity &...

Sigma Nutrition Radio ·

2017/10/10

http://sigmanutrition.com/mass PhD researcher Eric Helms of Auckland University of Technology is on the podcast to breakdown two interesting research papers. We look at a paper on protein overfeeding and another on the effect of body fat on anabolic sensitivity. 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,

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01:33:49

SNR #200: Saturated Fat Panel Discussion - Nadolsky,...

Sigma Nutrition Radio ·

2017/10/02

Our 200th episode is a special and unique one with an in-depth panel discussion on the topic of saturated fat. On the panel are Dr. Spencer Nadolsky, Stephen Guyenet PhD, Chris Masterjohn PhD and Brad Dieter PhD. The Panellists 1) Dr. Spencer Nadolsky Dr. Nadolsky is a a board certified family and obesity medicine physician. He is known for being extremely passionate about using exercise and lifestyle interventions as medicine, where possible. Dr. Nadolsky runs an online clinic, SteadyMD.com, where

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01:00:12

SNR #199: Ciaran Fairman - Exercise-Oncology: Effects...

Sigma Nutrition Radio ·

2017/09/25

Ciaran Fairman, M.S. is currently working on his doctorate in the Kinesiology program at The Ohio State University. Ciaran received his M.S. in Kinesiology from Georgia Southern University, working in the Human Performance laboratory, and holds several nationally accredited certifications through the American College of Sports Medicine (CPT, HFS, CET), and International Society of Sports Nutrition (CISSN). Ciaran's research interests focus on the effects of acute and chronic interventions on

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47:15

SNR #198: Richard Nikoley - Ketosis: A Call For for...

Sigma Nutrition Radio ·

2017/09/19

Richard Nikoley is the man behind the blog Free the Animal, which as of 2016, contains over 4,000 posts and 100,000 comments from readers. He has written about his learnings on health, diet, and lifestyle. In This Episode We Discuss: Discussions around ketosis Calorie-deficit induced ketogenic diet vs. nutritional ketosis at calorie balance Anti-lipolytic nature of ketones Inaccurate claims about ketosis and ketogenic diets Hierarchy of factors influencing body composition

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46:29

SNR #197: Kyle Mamounis, PhD - Fatty Acid Metabolism...

Sigma Nutrition Radio ·

2017/09/14

Kyle J. Mamounis, has a doctoral degree in nutritional science from Rutgers University in New Brunswick, New Jersey USA. He is currently a researcher at University of Central Florida in Orlando. His primary research interest is investigating the effects of fatty acids on energy balance regulation. He maintains a science blog with posts on his research interests, reviews of science magazine articles and general cellular physiology at www.nutricrinology.com.

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01:02:11

SNR #196: Rob Wildman, PhD - Nutrient Timing & the...

Sigma Nutrition Radio ·

2017/09/11

Researcher and registered dietitian Dr. Rob Wildman discusses the importance of viewing performance and recovery nutrition as a 24 hour process, rather than hyperfocusing on the workout "window". Dr. Rob Wildman, PhD, RD is Chief Science Officer for DYMATIZE Enterprizes in Dallas, Texas. Dr. Wildman is the author of four books including Sports & Fitness Nutrition and The Nutritionist: Food, Nutrition & Optimal Health. He has also written more than 75 referred journal articles, chapters and abstracts

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47:23

SNR #195: Brendan Egan, PhD - Exogenous Ketone...

Sigma Nutrition Radio ·

2017/09/04

Brendan holds a position as Senior Lecturer in Sport and Exercise Physiology in the School of Health and Human Performance at Dublin City University. His current research investigates the molecular regulation of skeletal muscle function and adaptation across the life course, with special interest in the synergy between nutrition and exercise interventions to optimise performance in athletes and elderly. He received his BSc Sport and Exercise Science from the University of Limerick in 2003, MSc Sport

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