Kirk Parsley, MD - Sleep, Navy SEALs and Testosterone
Medical Doctor and former Navy SEAL, Kirk Parsley talks about how sleep can influence every performance metric in your life and what to do about it. Go to episode page
Apr 02, 2015•1 hr 13 min
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.
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Episodes
Martin MacDonald - Fat Burning vs. Fat Loss, Fasted Cardio & Low-Glycogen Training
Martin MacDonald is on the show to discuss the difference between "fat burning" and fat loss, fasted vs. fed-state cardio, metabolic efficiency, and the exciting area of training and recovering in a low-glycogen state. Go to episode page
Mar 17, 2015•1 hr 22 min
Nia Shanks - Body Image, Nutrition & Training for Women
Nia Shanks of Lift Like a Girl talks how to approach nutrition without stress, working out because you love your body not hate it and how you can become the most awesome version of yourself. Go to episode page
Mar 10, 2015•46 min
Prof. Barbara Rolls - Volumetrics, Satiety & Weight Loss
World-renowned researcher Dr. Barbara Rolls discusses the concept of volumetics and how satiety and calorie density are important for weight loss and weight maintenance. Go to episode page
Mar 05, 2015•41 min
Alex Viada - Nutrition & Hydration For Concurrent Training
Alex Viada of Complete Human Perforamnce discusses energy systems, benefits of concurrent training, how to program it correctly, and nutritional/hydration considerations for endurance athletes. Go to episode page
Mar 03, 2015•52 min
Fiber: Types, Sources & Effects
We look at soluble vs. insoluble fiber, fermentable vs. non-fermentable fiber, resistant starch, oligosaccharides, effect on gut health, and the role of prebiotics. Go to episode page
Feb 26, 2015•25 min
Menno Henselmans - Refeeds, Body Recomposition & Non-Linear Diets
Menno Henselmans of Bayesian Bodybuilding talks refeeds, cyclic low-carb diets, ketogenic diets, carb cycling, circadian rhythms and body recomposition. Show notes
Feb 24, 2015•44 min
Caloric Density When Dieting
Danny discusses how the caloric density of meals is an important consideration when going through a hypocaloric phase.
Feb 20, 2015•20 min
Bill Willis, PhD - Antioxidants, Exercise Performance & the Adaptive Response to Training
Bill Willis, PhD talks about inflammation, the adaptive response to training and how antioxidants can potentially negatively impact exercise performance, recovery and physical improvements.
Feb 17, 2015•56 min
How Much Protein Should I Eat and When?
Danny breaks simply how much protein you should eat each day, at what times and how much post-workout.
Feb 12, 2015•21 min
The Myth of Adrenal Fatigue - Bryan Walsh, ND
Dr. Bryan Walsh, ND talks about adrenal physiology, low and high cortisol, the HPA axis, why adrenal fatigue is a myth and how all this influences how you should eat and live. Episode page here
Feb 05, 2015•1 hr 3 min
The Importance of Perspective in Fat Loss Dieting
Danny talks about the importance of keeping perspective and how important perception is when it comes to dieting. You can grab all the links mentioned in this episode at sigmanutrition.com/episode45 Fundamentals vs. small details What success is predicated on Limiting factors An interesting study demonstarting psychology when it comes dieting and perception Some practical take-aways to remember
Feb 03, 2015•21 min
Mike Samuels – Restrictive vs. Flexible Dieting
Mike Samuels of Healthy Living, Heavy Lifting is on the shoe to discuss restrictive vs. flexible dieting, our common transition from neurotic eating to sustainable nutrition, how to eat whilst travelling or working on the road, how to elimate binges and how to enjoy life!
Jan 27, 2015•52 min
Mike Israetel, PhD - All You Need To Know About Nutrient Timing
Episode 43: Dr. Mike Israetel is Assistant Professor of Exercise Science at UCM, a competitive powerlifter, grappler & bodybuilder and is the coach to many elite level athletes. On the show we dive into nutrient timing; protein timing, protein distribution, leucine threshold, placement of carbohydrates and the hierarchy of importance for body composition change. Show notes
Jan 20, 2015•1 hr 9 min
Bryan Chung, MD - Protein Synthesis vs. Hypertrophy & Evidence-Based Fitness
Dr. Bryan Chung, MD and PhD researcher, talks about evidence-based fitness, problems with the fitness and nutrition industry, the issue of calories, metabolic advantages of certain diets, psychology of dieting and game-changing research on the relevance of muscle protein synthesis as a proxy measure for hypertrophy.
Jan 13, 2015•1 hr 3 min
Dominic Munnelly - Nutrition for Crossfit Performance & Female Trainees
Dublin-based trainer & competitive CrossFit athlete Dominic Munnelly is on the show to talk about where CrossFit fits in to the health & fitness industry, some of the criticisms it faces, considerations for female trainees & differences in nutrition for performance vs. nutrition for body composition.
Jan 06, 2015•1 hr
Kamal Patel - Research Methodology & the Hierarchy of Evidence
Co-founder and director of Examine.com, Kamal Patel, is on the show to discuss research methodology, how to think about research, the hierarchy of evidence and how we can use all this to decide what potential diet and supplement decisions we can take. Show notes
Dec 23, 2014•1 hr 2 min
Dan Pardi, PhD - Sleep, Circadian Rhythms & the Importance of Light & Dark
Stanford University sleep researcher Dan Pardi talks about how sleep affects everything, circadian biology and the importance of light and dark cycles. Show notes
Dec 16, 2014•1 hr 30 min
Phil Graham - Using Science in Health & Bodybuilding Coaching
Phil Graham is on the show to talk about how he applies science to his coaching to get amazing health and physique results with his clients.
Dec 09, 2014•55 min
James Hanley - Lessons on Personal Training, Coaching & Running a Gym
James Hanley is the man behind Revolution Fitness. RevFit has two facilities in Dublin, offering semi-private strength training. James held several national drug free powerlfiting records and was the Irish Drug Free Powerlifting Associations overall points champion in 2010. He was the 2013 IPO National Champion at 90kg.
Dec 02, 2014•1 hr 10 min
Dr. Karl Nadolsky - Understanding Testosterone, Thyroid & the Adrenals
Endocrinologist Dr. Karl Nadolsky gives the truth about hormones that are commonly misinterpreted or mispromoted: testosterone, thryoid, cortisol and insulin. Show notes
Nov 11, 2014•59 min
Richard Nikoley - Fighting Against Low-Carb, Ketogenic & Paleo Dogma
Richard Nikoley of FreeTheAnimal.com is on the show talking about the problems with dogmatic view around low-carb, ketogenic and Paleo diets. We also discuss the importance of the microbiome and the emergence of resistant starch and prebiotic fiber as a means to imrpove gut health. Note: Contain explicit language.
Nov 04, 2014•1 hr 29 min
Sohee Lee - Reverse Dieting, Rapid Fat Loss and Messing Up
Sohee Lee is on the show talking about rapid vs slow fat loss, rebounding, reverse dieting, restrictive dieting, messing up and the importance of making your bed! Sohee is a New York City-based coach and writer. She is a Stanford University graduate, a nationally qualified NPC bikini competitor and is NSCA-CSCS certified. Show notes
Oct 21, 2014•56 min
Dr. Spencer Nadolsky - Lifestyle Medicine & the Sensible Approach to Diet
Dr. Spencer Nadolsky, DO is on the show talking about lifestyle medicine, using evidence in practice, how to think about carbs and dietary fat. Dr. Spencer Nadolsky is an family physician who specializes in weight loss (bariatric medicine) and cholesterol (lipidology).
Oct 14, 2014•46 min
Eric Helms, PhD - Dieting & Critical Thinking for Physique and Strength Athletes
Eric Helms is on the show to talk about nutrition considerations for physique athletes, body builders and strength athletes. Eric is competitive bodybuilder and powerlifter, and has a strength & conditioning based PhD. Eric’s a coach for raw powerlifters, natural bodybuilders, and serious weight lifters of all walks of life with Team 3D Muscle Journey. Show notes
Oct 07, 2014•59 min
Liz Lipski, PhD - Inter-Individual Response to Diet
Professor Liz Lipski of Maryland University of Intergrative Health is on the show to discuss the differenes in inter-individual response to diet. Show notes
Sep 23, 2014•1 hr 5 min
Mark Alexander - Why Everyone Should Do Resistance Training
Mark Alexander of Efficient Exercise is on the show to talk about the importance of resistance training, how it can by done by anyone both efficiently and safely, and how ARX technology can play a role in that.
Sep 16, 2014•53 min
Abbie Smith-Ryan, PhD - Performance Supplementation, High Intensity Training & Chronic Low-calorie Dieting
Dr. Abbie Smith-Ryan, PhD is on the show to talk about performance-enhancing supplementation, high intensity training and the metabolic adaptations to chronic low-calorie dieting. Show notes
Sep 09, 2014•58 min
Marc David - Psychology of Eating & Food Behaviours
This week's guest is Marc David, founder of the Institute for the Psychology of Eating. We discuss why what we eat is only half the story of good nutrition. We get into topics like the effect of physiological state on digestion, attitude to food, behaviours around food, mind-body nutrition, food "addiction", and binge eating.
Sep 02, 2014•52 min
Michael Ruscio - Probiotics, Prebiotcs and SIBO
Michael Rusio, BNMDP/NMCC gives a breakdown of all the big issues related to the gut microbiome that could be sabotaging your health. Probiotics, prebiotcs, small intestine bacterial overgrowth (SIBO), parasite infections, stomach acid, and the hygiene hypothesis are all discussed. Show notes
Aug 26, 2014•1 hr 5 min
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