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In this episode of Metabolic Mastery, Dr. Marc Humbert and Dr. Cameron Garber dive deep into the science of longevity—what it means, why healthspan matters more than just living longer, and how metrics like VO₂ max and muscular power can help predict and improve your quality of life as you age.

They explore the difference between lifespan and healthspan, debunk common longevity "hacks," and make the case for habits over shortcuts. Using clear visuals (including the now-famous "squared curve" concept), practical examples, and even the inspiring story of Grandma Betty, they lay out the true foundation of healthy aging: strength training, cardiovascular fitness, sleep, nutrition, and meaningful connection.

Whether you're a health practitioner, fitness enthusiast, or simply want to age with vitality, this episode offers an evidence-based, empowering guide to increasing both your years—and the life in those years.

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VO2 & Mortality: https://pubmed.ncbi.nlm.nih.gov/30646252/
Grip Strength & Mortality:
https://pubmed.ncbi.nlm.nih.gov/39587152/
https://pmc.ncbi.nlm.nih.gov/articles/PMC6778477/
Gait Speed & Mortality: https://pmc.ncbi.nlm.nih.gov/articles/PMC3080184/
Lifestyle Factors and Mortality
https://pmc.ncbi.nlm.nih.gov/articles/PMC9979572/
https://pubmed.ncbi.nlm.nih.gov/29712712/
Lifespan & Healthspan: https://pmc.ncbi.nlm.nih.gov/articles/PMC4861644/
Loss of Muscle, Strength & Power with Age
https://pubmed.ncbi.nlm.nih.gov/22934016/
https://pubmed.ncbi.nlm.nih.gov/30048806/
https://pubmed.ncbi.nlm.nih.gov/36268622/
https://pmc.ncbi.nlm.nih.gov/articles/PMC10961295/#CR20