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In this episode of AGE BETTER with Barbara Hannah Grufferman, bestselling author Bonnie Tsui joins Barbara to explore the deeper meaning of muscle—what it is, what it does, and what it reveals about how we live, age, and connect.

Drawing from her powerful new book On Muscle: The Stuff That Moves Us and Why It Matters, Bonnie shares compelling stories—from her own childhood “Muscle Academy” led by her father, to trailblazing women like Dr. Jan Todd and endurance runners like Ku Stevens. Together, they unpack how muscle impacts not just strength and mobility, but resilience, identity, and emotional well-being.

WHAT YOU WILL LEARN FROM THIS EPISODE 

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Age Better podcast delves into a diverse range of topics, including finance, work, health, fitness, style, makeup, hair, nutrition, travel, relationships, sex, menopause and more. Each week, I'll bring you the latest insights, expert opinions, and actionable advice.  

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