Is group fitness helping or hurting your body composition goals? In this Fitness Friday episode on the Habits and Hustle podcast, Liron and I dive into the controversial world of group fitness classes like Orange Theory, Barry's Bootcamp, and F45.

We discuss why these high-intensity classes can spike your appetite, burn out your adrenals, and leave you injured—plus what's actually working in the group fitness space. We also explore the rise of Hyrox as a better alternative to CrossFit, why Pilates shouldn't be your only workout, and the social benefits that keep people coming back despite the drawbacks.

Liron Kayvan founded BFLA in 2019. He’s a NASM Certified Group Fitness Instructor, Personal Trainer, and Transformative Life Coach. Liron has competed in Amateur MMA, Brazilian Jiu Jitsu, and Rugby and has been a Fitness Coach for over 10 years.

What we discuss:

The rise and reality of group fitness popularity

Why Barry's Bootcamp can spike cortisol and appetite

The "aimless running around" problem in most classes

Hyrox vs. CrossFit: A safer group fitness alternative

Why Pilates alone won't change your body composition

The social benefits that make group fitness worthwhile

When group fitness works vs. when it backfires

The importance of having specific fitness goals

Why "something is better than nothing" still applies

How to choose group fitness that actually serves your goals

Thank you to our sponsor:

Therasage: Head over to therasage.com and use code Be Bold for 15% off 

TruNiagen: Head over to truniagen.com and use code HUSTLE20 to get $20 off any purchase over $100.

Magic Mind: Head over to www.magicmind.com/jen and use code Jen at checkout.

Air Doctor: Go to airdoctorpro.com and use promo code HUSTLE for up to $300 off and a 3-year warranty on air purifiers. 

Bio.me: Link to daily prebiotic fiber here, code Jennifer20 for 20% off. 

David: Buy 4, get the 5th free at davidprotein.com/habitsandhustle.

Find more about Liron Kayvan: 

Website: https://www.beyondfitnessla.com/ 

Instagram: @beyondfitnessla

Find more from Jen:

Website: https://www.jennifercohen.com/

Instagram: @therealjencohen

Books: https://www.jennifercohen.com/books

Speaking: https://www.jennifercohen.com/speaking-engagements

Today, I’m back for part 2 of my conversation with Dave Asprey. In this episode, we get into the controversial health practices and daily routines that have transformed his health and energy.

Dave reveals his complete daily protocol, including cold plunges, infrared saunas, and the shocking revelation that he takes 150 supplements daily. He challenges conventional wisdom about exercise ("it doesn't make you lose weight"), nutrition ("vegan diets were my biggest mistake"), and controversial testosterone optimization protocols that he's followed since age 26.

Dave Asprey is the founder of nine companies, including Bulletproof, Danger Coffee, TrueDark, and Upgrade Labs. He's authored bestselling books including "The Bulletproof Diet," "Head Strong," and his newest release, "Heavily Meditated." Dave is credited with creating three unique billion-dollar markets: MCT Oil, Collagen Protein, and Functional Coffee. 

What We Discuss: needs updated when audio is done

(01:08) Facing Trauma as an Entrepreneur

(09:30) Identifying and Managing Toxic Personalities

(19:46) Sleep, Biohacking, and Longevity Insights

(29:43) Retraining the Brain for Neurotypical Function

(35:20) Alzheimer's and Cognitive Enhancement Solutions

(46:01) Debating Vaccines and Health Choices

(55:41) Optimizing Longevity With Biohacking Supplements

…and more!

Thank you to our sponsors:

Therasage: Head over to therasage.com and use code Be Bold for 15% off 

TruNiagen: Head over to truniagen.com and use code HUSTLE20 to get $20 off any purchase over $100.

Magic Mind: Head over to www.magicmind.com/jen and use code Jen at checkout.

Air Doctor: Go to airdoctorpro.com and use promo code HUSTLE for up to $300 off and a 3-year warranty on air purifiers. 

Bio.me: Link to daily prebiotic fiber here, code Jennifer20 for 20% off. 

Momentous: Shop this link and use code Jen for 20% off

David: Buy 4, get the 5th free at davidprotein.com/habitsandhustle.

Find more from Jen: 

Website: https://www.jennifercohen.com/

Instagram: @therealjencohen  

Books: https://www.jennifercohen.com/books

Speaking: https://www.jennifercohen.com/speaking-engagement

Find more from Dave Aspry:

Website: https://daveasprey.com/ 

X: https://www.instagram.com/dave.asprey/?hl=en 

YouTube: https://www.youtube.com/c/DaveAspreyBPR 

Could your brain be the only barrier to achieving incredible feats? In this episode on the Habits and Hustle podcast, I talk with Henry Abbott about Misogi - an annual challenge so intense you believe you have only a 50% chance of completing it.

We discuss how these epic challenges can rewire your brain to overcome perceived limitations. We also discuss why movement is crucial for pain management, how our brains (not our bodies) create most of our limitations, and why stepping far outside your comfort zone once a year might be the key to unlocking your hidden potential.

Henry Abbott is an award-winning journalist and founder of TrueHoop, a respected basketball media platform. His new book "Ballistic: The New Science of Injury-Free Athletic Performance" explores revolutionary approaches to injury prevention through the science of ballistic movements.

What we discuss: 

How movement rewires the brain to overcome perceived limitations and pain

Misogi and its spread among NBA players

The Harvard Fatigue Lab's findings on human physiological limits

Finding the balance between boldness and foolishness in physical challenges

Thank you to our sponsor:

Therasage: Head over to therasage.com and use code Be Bold for 15% off 

TruNiagen: Head over to truniagen.com and use code HUSTLE20 to get $20 off any purchase over $100.

Magic Mind: Head over to www.magicmind.com/jen and use code Jen at checkout.

Air Doctor: Go to airdoctorpro.com and use promo code HUSTLE for up to $300 off and a 3-year warranty on air purifiers. 

Bio.me: Link to daily prebiotic fiber here, code Jennifer20 for 20% off. 

Momentous: Shop this link and use code Jen for 20% off

David: Buy 4, get the 5th free at davidprotein.com/habitsandhustle.

To learn more about Henry Abbott: 

Website: https://www.henryabbott.com/  https://www.truehoop.com/ 

X: https://x.com/truehoop?lang=en 

Find more from Jen:

Website: https://www.jennifercohen.com/

Instagram: @therealjencohen

Books: https://www.jennifercohen.com/books

Speaking: https://www.jennifercohen.com/speaking-engagements

How did a 300-pound tech executive become the founder of a $20 billion biohacking industry? In this Habits and Hustle episode, Dave Asprey reveals his unconventional journey, sharing his marketing philosophy: "I do not sell. I teach." 

We discuss how he bootstrapped Bulletproof to $27 million before raising capital, the venture capital challenges that led to losing control of his company, and why he believes making products that genuinely work is his true marketing secret. We also dive into his experience creating the Bulletproof Coffee phenomenon and how his desperate search to heal his own chronic health issues led to revolutionary discoveries.

Dave Asprey is the founder of nine companies, including Bulletproof, Danger Coffee, TrueDark, and Upgrade Labs. He's authored bestselling books including "The Bulletproof Diet," "Head Strong," and his newest release, "Heavily Meditated." Dave is credited with creating three unique billion-dollar markets: MCT Oil, Collagen Protein, and Functional Coffee. 

What We Discuss: 

(01:00) Biohacking and Marketing Secrets

(10:10) Uncovering the Quiet Desperation

(13:19) Entrepreneur's Journey to Success

(19:32) Venture Capital, Biohacking, and Longevity

(30:37) Sexual Health and Biohacking Insights

(42:18) Exercise, Recovery, and Hormone Optimization

(49:50) Optimizing Testosterone and Peptide Use

…and more!

Thank you to our sponsors:

Therasage: Head over to therasage.com and use code Be Bold for 15% off 

TruNiagen: Head over to truniagen.com and use code HUSTLE20 to get $20 off any purchase over $100.

Magic Mind: Head over to www.magicmind.com/jen and use code Jen at checkout.

Air Doctor: Go to airdoctorpro.com and use promo code HUSTLE for up to $300 off and a 3-year warranty on air purifiers. 

Bio.me: Link to daily prebiotic fiber here, code Jennifer20 for 20% off. 

Momentous: Shop this link and use code Jen for 20% off

David: Buy 4, get the 5th free at davidprotein.com/habitsandhustle.

Find more from Jen: 

Website: https://www.jennifercohen.com/

Instagram: @therealjencohen  

Books: https://www.jennifercohen.com/books

Speaking: https://www.jennifercohen.com/speaking-engagement

Find more from Dave Aspry:

Website: https://daveasprey.com/ 

X: https://www.instagram.com/dave.asprey/?hl=en 

YouTube: https://www.youtube.com/c/DaveAspreyBPR 

Are your hips stable, mobile, or neither? In this Fitness Friday episode on the Habits and Hustle podcast, I talk with Henry Abbott about his insights from elite sports training facilities that can help people prevent injuries and age better.

We discuss simple tests you can do at home, why ACL tears are epidemic among female athletes, and the importance of plyometric training for developing "bouncy" strength. Henry also shares the 13-step warm-up routine used by elite athletes, which can transform how you feel in just 10 minutes. 

Henry Abbott is an award-winning journalist and founder of TrueHoop, a respected basketball media platform. He previously led ESPN's 60-person NBA digital and print team, which published several groundbreaking articles and won a National Magazine Award. His new book "Ballistic: The New Science of Injury-Free Athletic Performance" explores revolutionary approaches to injury prevention through the science of ballistic movements. 

What we discuss: 

Hip mobility vs. stability - everyone fits one category

Self-tests: pigeon pose and side plank X

Mobile hips need strength, stable hips need yoga

ACL tears 8x more common in female athletes

True causes of ACL injuries

Importance of plyometric training

Landing mechanics and hip control

13-step warm-up routine

Strategies for aging well through hip health

Thank you to our sponsor:

Therasage: Head over to therasage.com and use code Be Bold for 15% off 

TruNiagen: Head over to truniagen.com and use code HUSTLE20 to get $20 off any purchase over $100.

Magic Mind: Head over to www.magicmind.com/jen and use code Jen at checkout.

Air Doctor: Go to airdoctorpro.com and use promo code HUSTLE for up to $300 off and a 3-year warranty on air purifiers. 

Bio.me: Link to daily prebiotic fiber here, code Jennifer20 for 20% off. 

Momentous: Shop this link and use code Jen for 20% off

DavidProtein: Try David today—buy 4, get the 5th free at davidprotein.com/habitsandhustle

To learn more about Henry Abbott: 

Website: https://www.henryabbott.com/  https://www.truehoop.com/ 

X: https://x.com/truehoop?lang=en 

Find more from Jen:

Website: https://www.jennifercohen.com/

Instagram: @therealjencohen

Books: https://www.jennifercohen.com/books

Speaking: https://www.jennifercohen.com/speaking-engagements

Is hormonal birth control affecting more than just pregnancy prevention? In this Habits and Hustle podcast episode, I am joined by Dr. Sarah Hill, an evolutionary psychologist and author who explains the surprising ways birth control pills influence women's brains, behavior, and mate selection.

We discuss how synthetic hormones alter women's natural cycles, changing partner preferences and affecting emotional responses. We also explore the fascinating science behind mate selection through an evolutionary lens, why men are attracted to women at peak fertility, and how birth control can disrupt the pheromonal cues that influence attraction.

Dr. Sarah Hill is an evolutionary psychologist, author, and researcher who earned her Ph.D. at the University of Texas at Austin working with Dr. David Buss. Her research focuses on understanding behavior and motivation through the lens of Darwin's theory of evolution by natural selection, with particular emphasis on women's psychology, hormones, and sexual motivation. 

What We Discuss: 

(00:00) Birth Control & Women's Psychological States

(04:14) Effects of Birth Control on Emotions

(15:26) Relationship Changes After Birth Control

(19:22) Hormonal Birth Control and Pheromones

(27:05) Partner Preferences and Attraction Triggers

(34:43) Modern Dating Challenges and Hormones

(39:01) Modern Dating Delays Marriage

(42:51) Women's Relationship Choices and Evolution

(48:07) Competition, Jealousy, and Marriage Threats

(55:27) Divorce, Dating, and Female Friendship

(01:04:43) Hormonal Birth Control and Side Effects

…and more!

Thank you to our sponsors:

Therasage: Head over to therasage.com and use code Be Bold for 15% off 

TruNiagen: Head over to truniagen.com and use code HUSTLE20 to get $20 off any purchase over $100.

Magic Mind: Head over to www.magicmind.com/jen and use code Jen at checkout.

Air Doctor: Go to airdoctorpro.com and use promo code HUSTLE for up to $300 off and a 3-year warranty on air purifiers. 

Bio.me: Link to daily prebiotic fiber here, code Jennifer20 for 20% off. 

Momentous: Shop this link and use code Jen for 20% off

DavidProtein: Try David today—buy 4, get the 5th free at davidprotein.com/habitsandhustle.

Find more from Jen: 

Website: https://www.jennifercohen.com/

Instagram: @therealjencohen  

Books: https://www.jennifercohen.com/books

Speaking: https://www.jennifercohen.com/speaking-engagement

Find more from Dr. Sarah Hill:

Website: https://www.sarahehill.com/ 

Books: https://www.sarahehill.com/your-brain-on-birth-control/ 

Instagram: https://www.instagram.com/sarahehillphd/

Ever wonder why you keep getting injured in the same places despite your best efforts? In this Fitness Friday conversation on the Habits and Hustle podcast, I talk with Henry Abbott, author of "Ballistic: The New Science of Injury-Free Athletic Performance," to explore a revolutionary approach to preventing injuries before they happen.

We discuss practical exercises to strengthen your feet, the fascinating Soviet origins of plyometrics, how proper landing technique can transform your athletic performance while keeping you injury-free for years to come, and much more. 

Henry Abbott is an award-winning journalist and founder of TrueHoop, a respected basketball media platform. He previously led ESPN's 60-person NBA digital and print team, which published several groundbreaking articles and won a National Magazine Award. His new book "Ballistic: The New Science of Injury-Free Athletic Performance" explores revolutionary approaches to injury prevention through the science of ballistic movements. 

What we discuss: 

Henry Abbott's book "Ballistic: The New Science of Injury-Free Athletic Performance"

How most knee injuries originate from weaknesses in the feet or hips

The importance of strengthening feet and lower leg muscles for injury prevention

"Toe yoga" as a method to strengthen foot muscles

The role of the nervous system in injury prevention

The benefits of plyometric exercises as we age

The Soviet origins of plyometrics through Yuri Verkashantsev's research

Building progressive training approaches for those with existing weaknesses

Thank you to our sponsor:

Therasage: Head over to therasage.com and use code Be Bold for 15% off 

TruNiagen: Head over to truniagen.com and use code HUSTLE20 to get $20 off any purchase over $100.

Magic Mind: Head over to www.magicmind.com/jen and use code Jen at checkout.

Air Doctor: Go to airdoctorpro.com and use promo code HUSTLE for up to $300 off and a 3-year warranty on air purifiers. 

Bio.me: Link to daily prebiotic fiber here, code Jennifer20 for 20% off. 

Momentous: Shop this link and use code Jen for 20% off

To learn more about Henry Abbott: 

Website: https://www.henryabbott.com/  https://www.truehoop.com/ 

X: https://x.com/truehoop?lang=en 

Find more from Jen:

Website: https://www.jennifercohen.com/

Instagram: @therealjencohen

Books: https://www.jennifercohen.com/books

Speaking: https://www.jennifercohen.com/speaking-engagements

What if smartphones are causing the youth mental health crisis? In this episode of the Habits and Hustle podcast, I talk with social psychologist Jonathan Haidt, as he reveals how the "great rewiring of childhood" between 2010-2015 led to alarming increases in anxiety and depression among children and teens.

We discuss how we've created a contradictory world of overprotection in real life but underprotection online, leaving children vulnerable to predators and mental health challenges. We also dive into why play is essential (he calls it "Vitamin P"), how technology fragments attention spans, and why collective action is our best hope for change.

Jonathan Haidt is a social psychologist, Professor at NYU, and co-founder of Let Grow, an organization dedicated to promoting childhood independence. His books include "The Anxious Generation" and "The Coddling of the American Mind."

What We Discuss: 

04:59 The Anxious Generation: Understanding the Rise of Anxiety

10:00 Social Media's Impact on Girls vs. Boys

14:46 The Importance of Play in Child Development

25:04 The Concept of Anti-Fragility in Children

27:56 The Importance of Risk in Child Development

32:18 The Case for Phone-Free Schools

33:55 The Impact of Technology on Education

36:08 Declining Test Scores and Educational Equity

39:46 The Dangers of Multitasking

41:12 Screen Time: Good vs. Bad Uses

43:17 Social Skills and Mental Health Crisis

44:43 The Challenges Boys Face Today

58:56 The Dangers of Social Media Platforms

01:00:49 Resources for Parents and Educators

…and more!

Thank you to our sponsors:

Therasage: Head over to therasage.com and use code Be Bold for 15% off 

TruNiagen: Head over to truniagen.com and use code HUSTLE20 to get $20 off any purchase over $100.

Magic Mind: Head over to www.magicmind.com/jen and use code Jen at checkout.

Air Doctor: Go to airdoctorpro.com and use promo code HUSTLE for up to $300 off and a 3-year warranty on air purifiers. 

Bio.me: Link to daily prebiotic fiber here, code Jennifer20 for 20% off. 

Momentous: Shop this link and use code Jen for 20% off

Find more from Jen: 

Website: https://www.jennifercohen.com/

Instagram: @therealjencohen  

Books: https://www.jennifercohen.com/books

Speaking: https://www.jennifercohen.com/speaking-engagement

Find more from Jonathan Haidt:

Website: https://jonathanhaidt.com/ https://www.afterbabel.com/ https://letgrow.org/ https://www.anxiousgeneration.com/ 

Instagram: https://www.instagram.com/jonathanhaidt/

While everyone seems obsessed with protein intake, could the true secret to better health be something most Americans are ignoring? In this Fitness Friday episode, I talk with Kris Gethin about the importance of fiber and why we all need it. 

We also dive into longevity hacks like how Gethin reduced his biological age to 26 years old, why a 10-day silent meditation retreat was his most challenging but effective longevity practice, and the benefits of peptides like epitalon for telomere health. 

Kris Gethin, a renowned transformation expert and entrepreneur, has revolutionized the fitness industry with his no-nonsense, results-driven approach to bodybuilding and coaching. As the founder of Unmatched Supps and former CEO of Kaged Muscle, he has established himself as a pioneering force in the supplement industry while developing the innovative DTP (Dramatic Transformation Principle) training method. 

What we discuss: 

The importance of fiber in diet (95% of Americans don't get enough)

Why fiber should be prioritized over protein for better nutrient absorption

Biohacks for reversing biological age

Kris's 10-day Vipassana silent meditation retreat experience

How Kris reduced his biological age to 26 years old

EMF mitigation practices

EBO2 blood filtration therapy for removing toxins

Perspective on NAD supplementation (preferring trickle dosing over IV

Thank you to our sponsor:

Therasage: Head over to therasage.com and use code Be Bold for 15% off 

TruNiagen: Head over to truniagen.com and use code HUSTLE20 to get $20 off any purchase over $100.

Magic Mind: Head over to www.magicmind.com/jen and use code Jen at checkout.

Air Doctor: Go to airdoctorpro.com and use promo code HUSTLE for up to $300 off and a 3-year warranty on air purifiers. 

Bio.me: Link to daily prebiotic fiber here, code Jennifer20 for 20% off. 

Momentous: Shop this link and use code Jen for 20% off

To learn more about Kris Gethin: 

Website: https://www.krisgethin.com/ 

Instagram: https://www.instagram.com/krisgethin/ 

Youtube: https://www.youtube.com/krisgethin 

Find more from Jen:

Website: https://www.jennifercohen.com/

Instagram: @therealjencohen

Books: https://www.jennifercohen.com/books

Speaking: https://www.jennifercohen.com/speaking-engagements

Ever wonder how some voices can captivate audiences? In this Habits and Hustle podcast episode, I am joined by Amy Chapman, a highly sought-after vocal therapist who has worked with stars like Shakira, Sia, and Anthony Kiedis.

We discuss how anyone can harness vocal techniques to sound more authoritative, likable, or persuasive depending on their objectives. We also explore the psychological connection between voice and confidence, why "down talk" commands more respect than "up talk," and how simple adjustments in your speaking patterns can dramatically change how people perceive you.

Amy Chapman is a board-certified speech-language pathologist who combines clinical expertise with artistic experience. Her career spans television, music, and corporate settings, where she helps clients optimize their voice health, expand their range, and enhance their performance. She's also the lead voice coach for "The Masked Singer" and works with CEOs and business leaders to improve their communication effectiveness.

What We Discuss: 

(00:00) Confidence and Self-Worth 

(19:55) Voice Training for Artists and Professionals

(27:50) Voice Influence on Perception and Outcomes

(32:16) Voice Dynamics and Communication Mastery

(41:18) Mastering Voice Techniques for Engagement

(47:13) Effective Communication Through Vocal Training

(52:43) Developing Warmth and Authentic Communication

(58:43) Embracing Authenticity and Self-Presentation

(01:11:44) Morning Routine as Meditative Practice

…and more!

Thank you to our sponsors:

Therasage: Head over to therasage.com and use code Be Bold for 15% off 

TruNiagen: Head over to truniagen.com and use code HUSTLE20 to get $20 off any purchase over $100.

Magic Mind: Head over to www.magicmind.com/jen and use code Jen at checkout.

Air Doctor: Go to airdoctorpro.com and use promo code HUSTLE for up to $300 off and a 3-year warranty on air purifiers. 

Bio.me: Link to daily prebiotic fiber here, code Jennifer20 for 20% off. 

Momentous: Shop this link and use code Jen for 20% off

Find more from Jen: 

Website: https://www.jennifercohen.com/

Instagram: @therealjencohen  

Books: https://www.jennifercohen.com/books

Speaking: https://www.jennifercohen.com/speaking-engagement

Find more from Amy Chapman:

Website: https://www.voicelabla.com/#home 

Instagram: https://www.instagram.com/amychapman/?hl=en