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PODCAST

Iron Culture presented by MASS

Eric Helms & Eric Trexler

Iron Culture was started by Eric Helms and Omar Isuf as a means of exploring the world of physical culture and attempting to distill a unified philosophy of lifting and to help listeners find greater meaning from the iron. It"s now hosted by Eric Helms and Eric Trexler, who repeatedly beg Omar to return as a guest. Iron Culture focuses on dispensing practical, useful information to the listener, bouncing from history, to philosophy, to contemporary lifting culture issues, to science. The format

health & fitness

All Episodes

01:50:27

Ep 337 - Is There A Crisis In Exercise Science?

Iron Culture presented by MASS ·

2025/07/24

Join hosts Eric Trexler and Eric Helms as they explore the potential "replication crisis" in exercise science, drawing parallels to the well-documented crisis in psychology. In this episode, they delve into the challenges of replicating research findings, the perils of placing too much confidence in singular studies, the importance of cautious interpretation of new studies, and the value of meta-analyses in understanding true effect sizes. Whether you're a seasoned lifter or new to the world of

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01:06:19

Ep 336 - The Science Of Being Cool & Attractive

Iron Culture presented by MASS ·

2025/07/16

In this episode of Iron Culture, Dr. Eric Trexler and Dr. Lauren Colenso-Semple discuss science related to attractiveness, coolness, and personality type. They explore scientific studies on the factors associated with perceived attractiveness and "coolness," discussing body fat percentages and societal perceptions. The conversation shifts to how personality traits appear to predict workout preferences and engagement in fitness, then they debate the importance of matching exercise to individual

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01:32:55

Ep 335: Sticking Points, Exercise Selection, and Long...

Iron Culture presented by MASS ·

2025/07/09

In this episode of Iron Culture, Eric Helms interviews Dr. Stian Larsen, who shares his journey from powerlifting to becoming a researcher in exercise science. They discuss the intricacies of biomechanics, the importance of understanding squat techniques, and the latest research findings on muscle hypertrophy and resistance profiles. Stian emphasizes the need for practical applications in training and the significance of collaboration in research. The conversation also touches on future research

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01:29:59

Ep 334 - Microplastics: Setting the Record Straight

Iron Culture presented by MASS ·

2025/07/02

In this episode of Iron Culture, the Erics provide some updates, corrections, and clarifications related to their recent episode exploring the science of microplastics. After that they take a brief moment to celebrate the 100th issue of the MASS Research Review, then answer listener questions on topics including: tasty meat alternatives, programming supersets, scaling dietary variables for very small/short individuals, the pros & cons of "extended release" caffeine formulations, the utility &

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01:34:31

Ep 333 - Are High-Protein Diets Really Harmless?

Iron Culture presented by MASS ·

2025/06/25

In this episode of Iron Culture, Dr. Eric Helms talks about his forthcoming article in the MASS Research Review covering the purported harms of high-protein diets. This isn’t your typical oversimplified dunk-fest that readily dismisses concerns about high-protein diets. Instead, Helms reviews a thorough paper that reviews common concerns in detail and assessed their plausibility in an objective manner. The claims include: Claim 1 – protein reduces lifespan Claim 2 – protein makes bones weaker Claim

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01:13:54

Ep 332 - The Most Extreme Metabolic Adaptation Ever...

Iron Culture presented by MASS ·

2025/06/18

In this episode, the hosts discuss various aspects of bodybuilding prep, including caloric intake, metabolic adaptation, and the impact of extreme dieting. They explore historical studies that provide insights into these phenomena and discuss practical strategies for weight loss. The conversation transitions to powerlifting, specifically the recent IPF Worlds, highlighting the competitive dynamics and standout performances in the event. In this conversation, Eric Helms highlights impressive

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01:10:25

Ep 331 - Contest Prep and Weight Cutting Across Sports

Iron Culture presented by MASS ·

2025/06/11

In this episode of Iron Culture, the Erics begin by discussing Helms' prep updates and the standout performances from the recent powerlifting World Champions. The conversation also touches on body composition and attractiveness, highlighting the misconceptions in the fitness industry regarding ideal body fat levels. After that they take a deep dive into the strategies of cutting weight in various sports, comparing the approaches of powerlifting, bodybuilding, and combat sports. Finally, they explore

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01:20:05

Ep 330 - Female Health & Fitness Research + Q&A

Iron Culture presented by MASS ·

2025/06/04

In this episode of the Iron Culture Podcast, the Erics discuss various topics including updates on Helms' contest prep vlog, a preview of the upcoming Powerlifting World Championships, misconceptions surrounding TRT, the effects of cold exposure, and the concept of lean mass hyper responders. They also discuss the importance of (and misconceptions surrounding) women's health research, and engage in a Q&A session addressing questions about energy expenditure, body composition, and more. Time stamps:

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01:31:01

Ep 329 - What To Do About Microplastics

Iron Culture presented by MASS ·

2025/05/30

What's the deal with microplastics? Where do they come from? Are they in our bodies? If so, are they harmful? Also, what's the deal with microwaving Tupperware and other plastic containers? This episode is all about plastics - what we know, what we don't know, and what you can do about it. Key reference: https://pmc.ncbi.nlm.nih.gov/articles/PMC11800385/ Time stamps: 0:00 Intro 7:20 What are microplastics and where to they come from? 16:40 How much microplastic is in our bodies? Does it seem to be a

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01:34:53

Ep 328 - Q&A

Iron Culture presented by MASS ·

2025/05/22

In this week's episode of Iron Culture, the Erics answer a bunch of questions from listeners. More detailed description and time stamps coming soon!

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01:27:30

Ep 327 - Fat Loading, Sodium Limits, and More

Iron Culture presented by MASS ·

2025/05/14

In this episode of Iron Culture, hosts Eric Trexler and Eric Helms discuss a variety of topics related to bodybuilding, nutrition, and fitness. First they share updates on Front Page Fitness and discuss some soon-to-be-released articles from the Mass Research Review, with topics including the implications of cold exposure, how much testosterone actually impacts muscle mass, seed oils, the effects of ketogenic diets on blood lipids, and eccentric training on muscle growth. The conversation also

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01:45:47

Ep 326 - Daily 1RM Training: Crazy or Constructive?...

Iron Culture presented by MASS ·

2025/05/07

In this episode of Iron Culture, hosts Eric Helms and Michael Zourdos reconnect and reflect on their experiences at the 2025 Sports Nutrition Association annual conference. Joined by guests Dr. Nick Washmuth and Kaylee Chism, they delve into the concept of daily 1RM training, discussing its origins, methodology, and findings from a recent study involving participants who maxed out daily. Insights from the participants reveal varied results and experiences, highlighting the mental and physical

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01:49:16

Ep 325 - Plant-Based Bodybuilding With a World Champ...

Iron Culture presented by MASS ·

2025/04/30

In this episode of Iron Culture, Eric Helms and Trexler welcome Maddie McConnell, a world champion natural physique athlete, to discuss the current trends in natural bodybuilding, her journey into the sport, and the challenges that come with being a world-class physique competitor. Maddie shares her experiences transitioning from a general fitness enthusiast to a physique athlete, the significance of her recent achievements, and insights into training and preparation. In this conversation, Maddie

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01:07:31

Ep 324 - WORLD PREMIERE: Front Page Fitness

Iron Culture presented by MASS ·

2025/04/23

This is a very special episode of Iron Culture because it's the WORLD PREMIERE of "Front Page Fitness," a new podcast hosted by Drs Eric Trexler and Lauren Colenso-Semple. If you're part of the Iron Cult, these folks are no strangers - both have been on Iron Culture numerous times, and both are co-authors of the MASS Research Review. In Front Page Fitness, Eric & Lauren discuss the hottest health and fitness topics that are causing controversy, generating buzz, or dominating headlines. In other

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01:10:47

Ep 323 - MASS Makes History

Iron Culture presented by MASS ·

2025/04/16

The MASS Research Review started in 2017 and has provided cutting-edge evidence-based fitness content - every single month - ever since. Nearly 1500 articles and videos later, the MASS Crew is all in the same physical location for the first time in history. To commemorate the occasion, the MASS Crew sat down for a roundtable discussion about interpreting, communicating, and applying science in a nuanced manner. Listen along to gain some insights related to strengths, limitations, caveats, and tips

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01:34:37

Ep 322- The Science of "Junk Volume" (ft. Jake Remmert)

Iron Culture presented by MASS ·

2025/04/10

In this episode of Iron Culture, host Eric Trexler and guest Jake Remmert discuss a new meta regression paper focusing on per session set volume and its impact on hypertrophy and strength. They explore the nuances of per session training volume, the implications of the findings, and address common misconceptions in the fitness community. The conversation emphasizes the importance of understanding the data and its limitations while providing practical applications for training. Time Stamps: 00:00

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01:12:58

Ep 321 - Are You Really As Hydrated As You Think?

Iron Culture presented by MASS ·

2025/04/02

In this episode of Iron Culture, hosts Eric Trexler and Eric Helms discuss various topics related to fitness, nutrition, and hydration. They delve into the importance of hydration, the potential for overhydration, and the effects of vitamin C and gelatin on muscle recovery. The conversation also covers the debate between eccentric and concentric training for muscle growth, as well as the relationship between cardio and strength training. Throughout the episode, the hosts emphasize the need for

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01:57:33

Ep 320 - Myths Versus Theories in Exercise Science...

Iron Culture presented by MASS ·

2025/03/26

In this episode of Iron Culture, hosts Eric Helms and Eric Trexler engage in a lively discussion with Dr. James Steele about the evolving landscape of sports science, particularly focusing on the critiques of periodization and the importance of scientific theory in exercise research. They explore the philosophical underpinnings of scientific inquiry, the challenges of conducting robust research, and the implications of recent studies on training effects. The conversation emphasizes the need for a

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01:40:21

Ep 319 - Bodybuilding Mortality Across the Eras (ft....

Iron Culture presented by MASS ·

2025/03/19

In this episode of Iron Culture, Eric Helms and guests Conor Heffernan and Dr. Juan Carlos Casano delve into the intricate relationship between bodybuilding, performance-enhancing drugs, and athlete welfare. They discuss the historical context of bodybuilding, the cultural norms that have evolved over the years, and the alarming trends in mortality rates among bodybuilders. The conversation emphasizes the need for transparency in the sport and the impact of social media on perceptions of

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01:39:45

Ep 318 - Resistance Training as a Fat Loss Tool (ft....

Iron Culture presented by MASS ·

2025/03/12

In this episode of Iron Culture, hosts Eric Helms and Michael Zourdos engage in a deep discussion with Dr. Mike Ormsbee about the role of resistance training in fat oxidation and body composition. They explore how resistance training can be an effective tool for fat loss, the physiological mechanisms behind fat metabolism during exercise, and the importance of myokines and hormones in this process. The conversation challenges common perceptions about fat burning and emphasizes the need for a nuanced

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