The future of bone health

Endocrinologist Joy Wu says that osteoporosis can affect more than half of women and a quarter of men over 50 – often without symptoms until a fracture changes everything, leading to a loss of mobility and independence. Wu explains why bones weaken with age and how to strengthen them through exercise and smart medicine. Her lab is exploring innovative drugs and turning skin cells into new bone-forming osteoblasts. We’re delving into the great mystery of building new bone and making old bones stronger, Wu tells host Russ Altman on this episode of Stanford Engineering’s The Future of Everything podcast.Have a question for Russ? Send it our way in writing or via voice memo, and it might be featured on an upcoming episode. Please introduce yourself, let us know where you're listening from, and share your question. You can send questions to [email protected] Reference Links:Stanford Profile: Joy WuConnect With Us:Episode Transcripts >>> The Future of Everything WebsiteConnect with Russ >>> Threads / Bluesky / MastodonConnect with School of Engineering >>> Twitter/X / Instagram / LinkedIn / FacebookChapters:(00:00:00) IntroductionRuss Altman introduces guest Joy Wu, a professor of endocrinology at Stanford University.(00:03:06) Path into Bone ResearchJoy shares her path from endocrinology training to studying bone biology.(00:04:10) Calcium and Vitamin D in Bone HealthHow these nutrients build strong bones and prevent fractures.(00:05:13) Why Bones Heal ThemselvesWhy bones can regenerate so effectively compared to other tissues.(00:06:26) Can We Feel Our Bones?The mystery of weather-related aches at old fracture sites.(00:07:23) Understanding OsteoporosisThe prevalence of osteoporosis in the elderly, especially in women.(00:08:34) Diagnosing OsteoporosisWhy osteoporosis often goes undetected until fractures appear.(00:09:36) Risk Factors Beyond AgingThe risk factors outside of aging that can lead to osteoporosis.(00:10:48) Steroids, Exercise, and Bone HealthThe impact of systemic steroids and exercise on bone health.(00:12:40) Height Loss and Spine FracturesHow shrinking height in older adults can signal vertebral fractures.(00:14:46) Cancer and Bone HealthHow cancers spread to bone and how therapies affect bone health.(00:17:09) Medications for OsteoporosisThe complexities of using certain medications in cancer patients with bone loss.(00:20:10) Hormones and Bone GrowthUsing SERMs to protect bone while reducing breast cancer risk.(00:21:45) Stem Cells and Building BoneResearch on reprogramming skin cells into bone-forming osteoblasts.(00:23:31) Why Treatments PlateauWhy bone-building drugs stop working after two years.(00:24:49) Challenges in Bone RegenerationThe potential of Wnt signalling and stem cells in lasting bone regeneration.(00:28:09) Validating Osteoblasts in the LabTesting whether reprogrammed cells behave like natural osteoblasts.(00:29:11) Future Outlook for Bone BiologyThe limits of bone cell replication and what it means for future therapies.(00:30:10) Advice for Strong BonesPractical do’s and don’ts for optimizing bone health.(00:32:41) Conclusion Connect With Us:Episode Transcripts >>> The Future of Everything WebsiteConnect with Russ >>> Threads / Bluesky / MastodonConnect with School of Engineering >>>Twitter/X / Instagram / LinkedIn / Facebook Hosted by Simplecast, an AdsWizz company. See pcm.adswizz.com for information about our collection and use of personal data for advertising.