# How to use your muscles — or risk losing them (w/ Bonnie Tsui)

An episode of [How to Be a Better Human](https://invisiblenetwork.ai/podcast/1544098624), 27 Oct 2025, 45 min.

Audio: https://sphinx.acast.com/p/open/s/67572b3b2dd88df13220eb3b/e/68c1c3b14027d9f21fe0fd98/media.mp3

Did you know that you start losing bone AND muscle mass as soon as the age of thirty? Or that your fingers and toes don’t have muscles? Or how women in Scotland are starting to compete in the lighting of Dinnie Stones – which weighs 733 pounds?! These are topics that Chris discussed with Bonnie Tsui, author of the book On Muscle: The Stuff That Moves Us and Why It Matters. They also discuss what strength and weightlifting means in today’s society – especially as more women enter the sport. Bonnie and Chris also discuss studying martial arts, playing on sports teams, and the benefits of functional mobility as you age. Watch Bonnie teaches Chris to surf: https://youtu.be/YOryOy1qL00 Bonnie and Chris' interview: https://youtu.be/Z3WnwLtVUes Follow Host: Chris Duffy (Instagram: @chrisiduffy | https://chrisduffycomedy.com/) Guest: Bonnie Tsui (Instagram: @bonnietsui8 | Website: https://www.bonnietsui.com/) Links Humor Me by Chris Duffy (https://t.ted.com/ZGuYfcL) Buy Bonnie's book On Muscle: https://tinyurl.com/onmuscle Newsletter: https://www.bonnietsui.com/events Other handles: Facebook: https://www.facebook.com/bonnietsui LinkedIn: https://www.linkedin.com/in/bonnie-tsui-71a57775 Threads: https://www.threads.com/@bonnietsui8 Twitter: https://www.twitter.com/bonnietsui Follow TED! X: https://www.twitter.com/TEDTalks Instagram: https://www.instagram.com/ted Facebook: https://facebook.com/TED LinkedIn: https://www.linkedin.com/company/ted-conferences TikTok: https://www.tiktok.com/@tedtoks Podcasts: https://www.ted.com/podcasts For the full text transcript, visit go.ted.com/BHTranscripts Hosted on Acast. See acast.com/privacy for more information.

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