Many people respond to aging by eating healthier and increasing protein intake, yet strength and recovery still decline. Why?

In this solo “Explained” episode, Anita breaks down a key concept in muscle biology called anabolic resistance. Muscle is not maintained simply because amino acids are present. It is maintained when the body receives a signal to repair and rebuild tissue.

You will learn why muscle cells require an activation signal, why that signal weakens with age, and why adding more protein alone often fails to stop muscle loss.

Understanding this difference between material and signaling changes how we think about aging, resilience, and long term health.

In this episode, I speak with longevity advocate and filmmaker Marek Piotrowski, founder of the Live Beyond project. Marek spent a year traveling across five continents and 39 countries with his son Alek, interviewing more than 100 scientists, doctors, and innovators working on aging and human health.

We talk about what he learned from Blue Zones, longevity clinics, and leading researchers around the world, and why he believes prevention and diagnostics are the true foundation of longevity.

We also discuss the role of muscle in healthy aging, strength training, GLP-1 medications, and why lifestyle changes matter more than most people think.

Topics we cover include:

• why “prevention is king” for longevity
• when you should start thinking about longevity
• muscle loss with aging and how to fight it
• GLP-1 drugs and the risk of losing lean mass
• the mindset shift needed to live longer and better
• simple daily habits that support healthspan

Marek is currently preparing the film Live Beyond: Quest for Longevity and the book Live Beyond: How to Win Your Longevity Game, both based on his global journey.

Ready to start your longevity journey? Download the Longevity Map here:
www.livebeyond.world/#get-the-map

Learn more about the Live Beyond project and follow Marek:
LinkedIn: https://www.linkedin.com/in/marekpiotrowski
Instagram: https://www.instagram.com/longevityadvocate/
Website: www.livebeyond.world

In this opening episode, I, Anita Broellochs, introduce The Muscle Longevity Podcast, the importance of muscle for healthy aging, and what to expect from future conversations on longevity, muscle health, protein, movement, and longevity nutrition.