What if the key to aging better is taking care of your body's batteries?For 20% off all Timeline products, go to timeline.com/beyondtomorrowDr. Singh explains why mitochondrial health is becoming a major focus in longevity science. He unpacks the research behind urolithin A, how it supports cellular renewal, and why supplements should never replace the basics.The conversation covers the habits that matter most, from exercise and sleep to fasting and gut health. They also explore how to separate real science from longevity hype.Finally, they look ahead to the future of healthy aging, where better diagnostics, AI, and preventive medicine could help us stay healthier for longer, not just live longer.Dr. Singh is the Chief Medical Officer at Timeline and a physician-scientist specializing in immunology, mitochondrial health, and longevity. His research focuses on translating cutting-edge science into evidence-based interventions that help people age healthier.What You’ll LearnWhy mitochondrial health matters for longevityHow urolithin A supports healthy agingThe habits that have the strongest evidenceHow to spot longevity hypeWhere longevity science is headed next⏱ Timestamps00:00 Intro00:14 Why Urolithin A Matters02:20 The Best Ways to Boost Mitochondria03:20 Can We Reverse Aging?06:37 Why Your Immune System Ages First08:20 Targeting the Hallmarks of Aging10:53 Fifteen Years, One Mission12:24 The Search for a Longevity Superfood15:26 Do You Really Need Supplements?17:58 Three Ways to Improve Mitochondrial Health20:02 Creatine + Urolithin A Explained21:41 What Early Users Reported24:13 Where Skincare Meets Longevity25:42 Why Longevity Takes Time28:15 The Three Pillars of Healthy Aging30:01 The Shift to Preventive Medicine31:50 Why Mitochondria Are Going Mainstream34:35 Mitophagy vs. Autophagy35:38 How Antibiotics Affect Aging37:49 Rebuilding Your Gut Microbiome39:59 Prebiotics vs. Probiotics vs. Postbiotics42:11 The Most Underrated Longevity Habit43:30 The Gut-Brain Connection45:04 Melatonin and Mitochondrial Health45:58 The Biggest Longevity Myth46:35 Why Metabolic Health Matters48:19 When GLP-1 Drugs Make Sense49:32 The Hidden Downsides of GLP-1s51:12 What Centenarians Can Teach Us52:48 Mitochondrial Health in 203154:17 If Tomorrow Is Your Last Day...Connect with Dr. SinghWebsite: https://www.timeline.com/ Connect with Julian Instagram: https://www.instagram.com/thebeyondtomorrowpodcast/ Instagram: https://www.instagram.com/juliankissa/ LinkedIn: https://uk.linkedin.com/in/julian-issa Website: www.beyondtomorrowpodcast.com Email: [email protected] Subscribe on Spotify, Apple, and YouTube for more stories from the edge of what is possible.

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