Exercise, meal timing, and sleep—what do they have in common? They’re three simple yet powerful tools we all have at our disposal for optimizing metabolic health, a critical factor in determining how well we age. Even slightly elevated blood glucose levels, still within the "normal" range, can accelerate brain atrophy, targeting critical areas like the hippocampus and amygdala, both linked to aging and neurodegeneration. On top of that, long-term elevations in glucose, marked by a high HbA1c, can also lead to the formation of advanced glycation end products (AGEs), which stiffen blood vessels, reduce heart elasticity, and increase the risk of hypertension and cardiovascular disease. In this episode, recorded at the American Academy of Anti-Aging Medicine conference in Palm Beach, Florida, I provide practical, science-backed protocols on how to implement HIIT, circadian-timed eating, and optimized sleep strategies to dramatically improve metabolic health and protect against these harmful effects. As you listen to this presentation, one of the lifestyle strategies that I don't cover but still think has an outsized benefit for longevity is omega-3 supplementation, which you can learn more about in my free 13-page guide available at https://fmfomega3guide.com/ CHAPTERS: 00:00:00 Introduction 00:01:31 Why HIIT outshines zone 2 for improving metabolic health 00:03:52 The signaling role of lactate production by muscle 00:06:39 Optimal HIIT conditions for improving body composition 00:07:42 How vigorous exercise repairs dysfunctional mitochondria 00:11:33 HIIT vs. zone 2 for mitochondrial biogenesis 00:13:15 Evidence-based HIIT protocols 00:14:52 Why "exercise snacks" are a crucial pre- and post-mealtime activity 00:16:56 The mortality benefits of short exercise bursts 00:20:14 Why late-night eating is detrimental 00:24:43 Can high glucose levels accelerate brain atrophy? 00:25:36 How circadian misalignment affects postprandial glucose 00:26:52 Metabolic health benefits of time-restricted eating 00:29:30 Why early eating is better for metabolic health 00:31:54 Why losing sleep for 3 nights mimics type 2 diabetes 00:34:04 Why less than 7 hours of sleep increases type 2 diabetes risk 00:34:50 Why chronically high blood glucose damages cardiovascular health 00:36:45 What 4 hours of sleep for 4 nights does to insulin signaling 00:37:50 Why short sleep facilitates obesity 00:39:09 The checklist for good sleep hygiene 00:42:43 Can 1 hour of extra sleep help you lose weight? 00:43:53 Cognitive behavioral therapy for insomnia (CBT-I) 00:45:28 How HIIT improves metabolic health when sleep-restricted 00:48:01 Can HIIT ameliorate the mortality risk from poor sleep? EPISODE LINKS: Show notes & transcript: https://www.foundmyfitness.com/episodes/metabolic-health PODCAST INFO: Spotify: https://open.spotify.com/episode/6JRvsVjtFwsyDHafsKFdPp Apple Podcasts: https://podcasts.apple.com/us/podcast/096-how-to-improve-metabolic-health-with-hiit/id818198322?i=1000672515377 SUPPORT MY MISSION: Becoming a FoundMyFitness Premium Member not only helps sustain the valuable public resources we provide through our free podcast, but also grants you exclusive access to my monthly AMAs, private podcast (The Aliquot), and weekly Science Digest newsletter. Sign up here: https://www.foundmyfitness.com/crowdsponsor?utm_source=youtube&utm_medium=youtube&utm_campaign=metabolic_health_podcast SOCIALS: https://twitter.com/foundmyfitness https://facebook.com/foundmyfitness https://instagram.com/foundmyfitness #metabolichealth