Also on Longevity Health Lens Podcast

Hosted by Dr. Adrian Laurence, a New Zealand lifestyle medicine doctor and longevity expert, this podcast helps you live longer, feel better, and perform at your best — without extremes, fads, or false promises.

Each episode explores the science of aging, metabolism, hormones, exercise, sleep, and nutrition through an evidence-based, real-world lens.

Learn practical strategies to boost energy, sharpen focus, and build lasting health after 35.

Episodes

Mar 28, 2026

5 min

Get free weekly science-backed tips to feel better, live longer 👉 https://dradrianlaurence.substack.com/welcomeThe 10-Minute Post-Meal Walk: A Simple Habit to Lower Blood Sugar SpikesFamily and lifestyle medicine doctor Adrian explains why taking a 10-minute walk after eating can significantly improve metabolic health, especially for people over 30 who return to prolonged sitting after meals. He describes how sedentary time leads to higher, longer-lasting blood sugar and increased insulin demand, contributing over time to insulin resistance, inflammation, visceral fat, faster aging, and higher risk of heart disease and type 2 diabetes. Walking works because contracting muscles pull glucose from the bloodstream, including through insulin-independent pathways, blunting post-meal spikes in real time. He cites studies showing lower blood sugar peaks after a 10-minute comfortable stroll and improved control when walks are timed after meals, with dinner offering the biggest impact. He recommends walking within 15–20 minutes of finishing a meal, noting even five minutes helps.00:00 10 Minute Walk Hook00:21 Why Sitting Hurts00:37 Blood Sugar Basics01:42 How Walking Helps02:16 What Studies Show03:02 Timing Beats Duration03:24 Break Up Sitting Time03:49 How To Do It04:11 Best Meal To Walk04:38 Limits And Who Benefits05:12 Built To Move05:34 Simple Takeaway05:48 Closing Thanks**This video is for informational and educational purposes only. It is not intended to diagnose, treat, cure, or prevent any disease and should not be used as a substitute for professional medical advice, diagnosis, or treatment. Always seek the advice of your physician or other qualified health provider with any questions you may have regarding a medical condition. Never disregard professional medical advice or delay in seeking it because of something you have seen or heard in this content. Dr. Adrian Laurence provides general health information and does not establish a doctor–patient relationship through this video or any related content.**Instagram: /dradrianlaurenceThreads: https://www.threads.com/@dradrianlaurence Facebook: https://www.facebook.com/profile.php?id=61572349556437

Mar 27, 2026

7 min

Get free weekly science-backed tips to feel better, live longer 👉 https://dradrianlaurence.substack.com/welcomeWhy You Wake Up at 3AM (and the 3 Daytime Habits Causing It)*Corrected editing errors* Adrian, a family and lifestyle medicine doctor, explains that frequent 3:00 AM wake-ups are usually driven by disrupted daytime signals that alter your cortisol rhythm and overnight blood sugar stability. Normally cortisol bottoms out around midnight and rises gradually toward morning, but when it spikes too early it triggers an abrupt wake-up, often alongside a blood-sugar dip that prompts cortisol and adrenaline release. He identifies three main culprits: late caffeine (which can reduce deep sleep and impair blood sugar regulation and cortisol resetting), evening blue-light exposure (which suppresses and delays melatonin that stabilizes sleep), and unmanaged late-day stress (which keeps evening cortisol elevated and leads to a premature overnight surge). He recommends an earlier caffeine cutoff, reducing blue light in the last two hours before bed, and creating a stress-free wind-down buffer before sleep.00:00 Why You Wake at 3 AM01:19 Cortisol Clock Explained02:12 Blood Sugar Night Dips03:18 Caffeine Timing Trap04:58 Blue Light and Melatonin06:49 Evening Stress Spike08:45 Fixes to Sleep Through09:42 Wrap Up and Takeaway**This video is for informational and educational purposes only. It is not intended to diagnose, treat, cure, or prevent any disease and should not be used as a substitute for professional medical advice, diagnosis, or treatment. Always seek the advice of your physician or other qualified health provider with any questions you may have regarding a medical condition. Never disregard professional medical advice or delay in seeking it because of something you have seen or heard in this content. Dr. Adrian Laurence provides general health information and does not establish a doctor–patient relationship through this video or any related content.**Instagram: /dradrianlaurenceThreads: https://www.threads.com/@dradrianlaurence Facebook: https://www.facebook.com/profile.php?id=61572349556437

Mar 26, 2026

7 min

Get free weekly science-backed tips to feel better, live longer 👉 https://dradrianlaurence.substack.com/welcomeWhy You Keep Waking Up at 3AM (Cortisol, Blood Sugar, and 3 Daytime Habits)Family and Lifestyle Medicine doctor Adrian explains that recurring 3:00 AM wake-ups are usually caused by a disrupted cortisol rhythm and nighttime blood sugar dips that trigger cortisol and adrenaline. In a healthy pattern, cortisol is lowest around midnight and gradually rises toward a morning peak, but when it spikes too early it acts like an alarm. He links this disruption mainly to daytime habits: late caffeine (which blocks adenosine, reduces deep sleep, and impairs blood sugar and cortisol regulation), evening blue light from screens and LED lighting (which suppresses melatonin needed to stabilize sleep), and unmanaged late-day stress (which keeps cortisol elevated into the night). He recommends a midday caffeine cutoff, reducing blue light in the last two hours before bed, and creating a stress-free wind-down buffer before sleep.00:00 Why You Wake at 3AM00:43 Cortisol Clock Explained01:34 Blood Sugar Night Dips02:09 Caffeine Timing Trap03:34 Blue Light and Melatonin04:47 Evening Stress Spike06:07 Fixes to Sleep Through06:57 Wrap Up and Takeaway**This video is for informational and educational purposes only. It is not intended to diagnose, treat, cure, or prevent any disease and should not be used as a substitute for professional medical advice, diagnosis, or treatment. Always seek the advice of your physician or other qualified health provider with any questions you may have regarding a medical condition. Never disregard professional medical advice or delay in seeking it because of something you have seen or heard in this content. Dr. Adrian Laurence provides general health information and does not establish a doctor–patient relationship through this video or any related content.**Instagram: /dradrianlaurenceThreads: https://www.threads.com/@dradrianlaurence Facebook: https://www.facebook.com/profile.php?id=61572349556437

Mar 25, 2026

8 min

Get free weekly science-backed tips to feel better, live longer 👉 https://dradrianlaurence.substack.com/welcomeThe 4-Food “Artery Meal” Backed by Research (Oats, Fish, Nuts & Berries)Adrian, a family and lifestyle medicine doctor, explains that most heart attacks follow years of silent arterial damage and argues that lowering ApoB—the number of atherogenic particles—matters more than LDL alone for predicting risk. He outlines a four-part, supermarket-accessible meal designed to lower LDL and ApoB and support artery health: oats (beta-glucan binds bile acids so the liver pulls cholesterol from blood), fatty fish like salmon/sardines/mackerel (omega-3s lower triglycerides and inflammation and stabilize existing plaques), nuts such as walnuts/almonds (plant sterols reduce cholesterol absorption plus fiber and magnesium), and berries (polyphenols/anthocyanins support endothelial function and reduce inflammation). He suggests practical ways to combine or split these foods and notes this aligns with the portfolio diet, which in trials reduced ApoB ~15% and CRP ~30%, while emphasizing consistency over quick fixes.00:00 Silent Artery Damage00:49 What Really Clogs Arteries01:09 ApoB Explained Simply02:04 The Four Food Plate02:10 Oats and Beta Glucan03:03 Fatty Fish Omega 3s04:27 Nuts for Lower ApoB05:04 Berries and Endothelium05:49 Putting the Meal Together06:23 Why the Combo Works07:16 Realistic Expectations07:50 Make It a Habit08:15 Final Thanks**This video is for informational and educational purposes only. It is not intended to diagnose, treat, cure, or prevent any disease and should not be used as a substitute for professional medical advice, diagnosis, or treatment. Always seek the advice of your physician or other qualified health provider with any questions you may have regarding a medical condition. Never disregard professional medical advice or delay in seeking it because of something you have seen or heard in this content. Dr. Adrian Laurence provides general health information and does not establish a doctor–patient relationship through this video or any related content.**Instagram: /dradrianlaurenceThreads: https://www.threads.com/@dradrianlaurence Facebook: https://www.facebook.com/profile.php?id=61572349556437

Mar 24, 2026

6 min

Get free weekly science-backed tips to feel better, live longer 👉 https://dradrianlaurence.substack.com/welcomeVO2 Max: The #1 Longevity Number Most People Never MeasureFamily and lifestyle medicine doctor Adrian explains that VO2 max—your body’s maximum ability to use oxygen during hard exercise—is one of the strongest predictors of how long and how well you’ll live, outperforming common markers like blood pressure, cholesterol, and even smoking status. He describes VO2 max as a measure of cardiorespiratory fitness and overall physiological “reserve,” notes it typically declines about 10% per decade after age 30, and highlights a 2018 study of over 122,000 patients showing low fitness was linked to higher mortality risk than smoking, diabetes, or high blood pressure, with benefits continuing even at the highest fitness levels. He explains why VO2 max reflects multiple body systems, links higher fitness to lower risks of heart disease, type 2 diabetes, and dementia, and shares practical ways to improve it—using wearables for estimates, consistent progressive overload, and zone 2 training.00:00 The One Longevity Number00:55 VO2 Max Explained01:53 Aging and Fitness Decline02:18 The 2018 Survival Study03:30 Why VO2 Max Matters04:04 Dementia and Metabolic Protection04:33 Trainable at Any Age05:10 How to Measure It05:37 Training That Works06:18 Zone 2 and Consistency06:49 Final Takeaway**This video is for informational and educational purposes only. It is not intended to diagnose, treat, cure, or prevent any disease and should not be used as a substitute for professional medical advice, diagnosis, or treatment. Always seek the advice of your physician or other qualified health provider with any questions you may have regarding a medical condition. Never disregard professional medical advice or delay in seeking it because of something you have seen or heard in this content. Dr. Adrian Laurence provides general health information and does not establish a doctor–patient relationship through this video or any related content.**Instagram: /dradrianlaurenceThreads: https://www.threads.com/@dradrianlaurence Facebook: https://www.facebook.com/profile.php?id=61572349556437

Mar 23, 2026

7 min

Get free weekly science-backed tips to feel better, live longer 👉 https://dradrianlaurence.substack.com/welcome4 Simple At-Home Fitness Tests That Predict Longevity (Sit-to-Stand, Grip, Walking Speed, Balance)Adrian, a family and lifestyle medicine doctor, explains that functional strength is a powerful predictor of longevity and can be assessed with simple at-home movements that reflect how well multiple body systems work together. He highlights four research-backed tests: the sit-to-stand (floor) test, where a 2012 study of 2,000+ adults found bottom-quartile scores had 5–6x higher mortality risk and each point improved survival by 21%; grip strength, shown in a 17-country study of nearly 14,000 adults to predict heart-disease death better than blood pressure; walking speed, linked across large studies to survival and independence; and a one-leg balance test, where failing to hold 10 seconds was tied to higher mortality. He emphasizes physical reserve, fall risk, and that targeted exercise can improve functional capacity at any age.00:00 Two Minute Longevity Test00:31 What Functional Strength Means01:30 Four Key Longevity Tests01:38 Sit to Stand Score02:48 Grip Strength Signal03:41 Walking Speed Matters04:26 One Leg Balance Check05:14 Physical Reserve Explained05:48 Improve at Any Age06:27 Everyday Movement Goals07:00 No Judgment Just Data**This video is for informational and educational purposes only. It is not intended to diagnose, treat, cure, or prevent any disease and should not be used as a substitute for professional medical advice, diagnosis, or treatment. Always seek the advice of your physician or other qualified health provider with any questions you may have regarding a medical condition. Never disregard professional medical advice or delay in seeking it because of something you have seen or heard in this content. Dr. Adrian Laurence provides general health information and does not establish a doctor–patient relationship through this video or any related content.**Instagram: /dradrianlaurenceThreads: https://www.threads.com/@dradrianlaurence Facebook: https://www.facebook.com/profile.php?id=61572349556437

Mar 22, 2026

6 min

Get free weekly science-backed tips to feel better, live longer 👉 https://dradrianlaurence.substack.com/welcomeEat Carbs Without the Spike: The Simple Meal Order Trick Backed by ScienceAdrian, a family and lifestyle medicine doctor, explains that blood sugar response to carbs depends not only on what you eat but the order you eat it in. He notes glycemic index is limited because it measures foods in isolation, while real meals and sequencing matter. Studies show eating vegetables and protein before carbs can flatten glucose spikes, reducing peak and overall response by roughly 30–40%, likely due to slower stomach emptying, fiber slowing absorption, and hormones like GLP-1. He also cites research that small amounts of acidic foods (e.g., vinegar, lemon, pickles) before a meal can reduce spikes, and a 2022 meta-analysis finding even a two-minute post-meal walk lowers glucose via muscle glucose uptake independent of insulin. He emphasizes fiber from whole foods, individual variability, and that these strategies matter more for people with metabolic risk than for metabolically healthy individuals.00:00 Carbs Aren’t the Villain00:44 Why Glycemic Index Falls Short01:34 Food Order Flattens Spikes02:33 Dinner Plate Example02:53 Acid Before Meals03:22 Two-Minute Post-Meal Walk04:08 Fiber That Helps Most04:46 Who Should Worry About Spikes05:41 Simple Blood Sugar Playbook06:25 Carbs Without Fear06:33 Wrap-Up**This video is for informational and educational purposes only. It is not intended to diagnose, treat, cure, or prevent any disease and should not be used as a substitute for professional medical advice, diagnosis, or treatment. Always seek the advice of your physician or other qualified health provider with any questions you may have regarding a medical condition. Never disregard professional medical advice or delay in seeking it because of something you have seen or heard in this content. Dr. Adrian Laurence provides general health information and does not establish a doctor–patient relationship through this video or any related content.**Instagram: /dradrianlaurenceThreads: https://www.threads.com/@dradrianlaurence Facebook: https://www.facebook.com/profile.php?id=61572349556437

Mar 21, 2026

6 min

Get free weekly science-backed tips to feel better, live longer 👉 https://dradrianlaurence.substack.com/welcomeThe First Hour After Waking: Morning Light, Movement & Coffee Timing for Better Blood Sugar (Especially After 40)Adrian, a family and lifestyle medicine doctor, explains that what you do in the first hour after waking can influence blood sugar handling for the next 16 hours, and this matters more after 40 as insulin sensitivity declines. He outlines how insulin sensitivity is highest in the morning due to circadian rhythm, and how common habits like staying in bed scrolling, drinking coffee immediately, skipping movement, or eating refined carbs can work against this biology over time. He highlights three key levers: getting outdoor morning light to set the body’s master clock and support metabolic regulation, doing 5–10 minutes of morning movement to increase muscle glucose uptake via GLUT4 without needing insulin, and delaying coffee about 90 minutes to two hours to avoid stacking caffeine on the normal cortisol spike. He also recommends a protein-forward breakfast (about 20–30g) over toast or cereal to support steadier blood sugar.00:00 Morning Hour Matters00:50 Circadian Insulin Rhythm01:23 Common Morning Mistakes02:01 Get Morning Sunlight02:59 Move for Glucose Uptake03:49 Delay Coffee Timing04:40 Protein First Breakfast05:09 Build Your Routine05:49 Experiment and Wrap Up**This video is for informational and educational purposes only. It is not intended to diagnose, treat, cure, or prevent any disease and should not be used as a substitute for professional medical advice, diagnosis, or treatment. Always seek the advice of your physician or other qualified health provider with any questions you may have regarding a medical condition. Never disregard professional medical advice or delay in seeking it because of something you have seen or heard in this content. Dr. Adrian Laurence provides general health information and does not establish a doctor–patient relationship through this video or any related content.**Instagram: /dradrianlaurenceThreads: https://www.threads.com/@dradrianlaurence Facebook: https://www.facebook.com/profile.php?id=61572349556437

Mar 20, 2026

6 min

Get free weekly science-backed tips to feel better, live longer 👉 https://dradrianlaurence.substack.com/welcomeBMI Is Misleading: The Visceral Fat Metric Your Doctor Isn’t TrackingFamily and lifestyle medicine doctor Adrian explains that while BMI is useful for population trends, it can mislead individuals because it can’t distinguish muscle from fat and misses metabolically dangerous visceral fat. He describes “normal weight obesity,” where 20–30% of people with a normal BMI may still carry significant visceral fat and show insulin resistance, inflammation, and higher cardiovascular and diabetes risk. Visceral fat drains to the liver via the portal vein, contributes to hepatic insulin resistance, secretes inflammatory cytokines, suppresses adiponectin, and better predicts cardiovascular events and mortality than BMI. He recommends tracking waist-to-height ratio at home (waist/height; above 0.5 suggests higher risk), focusing on metabolic markers and fitness, and using interventions like resistance training, adequate protein, sleep, and movement to reduce visceral fat and improve metabolic health.00:00 BMI Misleads You01:00 Normal Weight Obesity01:42 BMI Blind Spots02:18 Why Visceral Fat Matters03:16 Better Metrics to Track04:01 How to Reduce Visceral Fat04:25 What to Measure Instead05:07 Metabolic Health Over Weight06:20 Final Takeaways**This video is for informational and educational purposes only. It is not intended to diagnose, treat, cure, or prevent any disease and should not be used as a substitute for professional medical advice, diagnosis, or treatment. Always seek the advice of your physician or other qualified health provider with any questions you may have regarding a medical condition. Never disregard professional medical advice or delay in seeking it because of something you have seen or heard in this content. Dr. Adrian Laurence provides general health information and does not establish a doctor–patient relationship through this video or any related content.**Instagram: /dradrianlaurenceThreads: https://www.threads.com/@dradrianlaurence Facebook: https://www.facebook.com/profile.php?id=61572349556437

Mar 19, 2026

7 min

Get free weekly science-backed tips to feel better, live longer 👉 https://dradrianlaurence.substack.com/welcome5 Early Biomarkers Most Doctors Don’t Measure (But You Can Track at Home)Family and lifestyle medicine doctor Adrian argues that common checkups (blood pressure, cholesterol, fasting glucose) are lagging indicators that often miss years of functional decline. He outlines five early, at-home biomarkers that better reflect biological aging and respond to intervention: grip strength (linked to cardiovascular mortality), sleep quality and architecture (declining slow-wave sleep affects recovery, metabolism, and cognition), resting heart rate and heart rate variability trends (signals of autonomic and cardiovascular stress), recovery speed from moderate stressors (reflecting mitochondrial function, hormones, and inflammation), and cognitive sharpness (processing speed and word retrieval tied to fitness, sleep, and metabolic health). He emphasizes four key levers that improve all five: VO2 max/cardiovascular fitness, muscle mass via resistance training, sleep quality, and metabolic health, encouraging regular tracking to act before disease develops.00:00 Why Labs Miss Early Aging00:48 Functional Signals to Track01:47 Biomarker 1 Grip Strength02:26 Biomarker 2 Sleep Quality03:18 Biomarker 3 Heart Rate Trends04:01 Biomarker 4 Recovery Speed04:42 Biomarker 5 Cognitive Sharpness05:34 Four Levers That Improve All06:58 How to Track and Act07:28 Final Takeaway Don’t Wait**This video is for informational and educational purposes only. It is not intended to diagnose, treat, cure, or prevent any disease and should not be used as a substitute for professional medical advice, diagnosis, or treatment. Always seek the advice of your physician or other qualified health provider with any questions you may have regarding a medical condition. Never disregard professional medical advice or delay in seeking it because of something you have seen or heard in this content. Dr. Adrian Laurence provides general health information and does not establish a doctor–patient relationship through this video or any related content.**Instagram: /dradrianlaurenceThreads: https://www.threads.com/@dradrianlaurence Facebook: https://www.facebook.com/profile.php?id=61572349556437

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