Dr. Jerry Mixon on Longevity Medicine: Hormones, Body Fat, Muscle, and Senescent Cells Dr. Jerry Mixon describes “longevity medicine” as treating aging—the progressive loss of capacity—as a medical problem focused on healthspan, not vanity. He shares that at 78 he has maintained a global hormone balance targeted to a healthy 25-year-old range for 31 years, enabling significant strength and endurance gains compared with age 50, and argues more older men should live energetic lives. Mixon emphasizes reducing excess body fat as a priority because fat acts as an inflammatory gland linked to chronic disease, while muscle acts as a healing gland producing beneficial proteins; he advocates building muscle and managing blood sugar/insulin resistance. He explains mitochondrial fragility, senescent “zombie” cells, and immune-system decline, discusses using senolytics such as dasatinib plus quercetin, and describes developing testing to measure senescent T-cell load. The conversation also covers clinic protocols, lifestyle micro-bursts of exercise, family priorities, and aligning healthcare incentives toward prevention. 00:00 Rewriting Old Age 01:46 Longevity Medicine Defined 03:24 Aging as Disease 05:05 How We Peak and Decline 06:15 What Aging Really Is 08:24 From 50 to 78 11:38 Mindset and Metrics 14:52 Start With Getting Lean 17:13 Fat vs Muscle Signals 18:56 Hormones Back to 25 20:26 Testosterone Myths 24:07 Risks and Screening 25:54 Inside the Clinic Process 29:00 Fat Inflammation Cascade 33:20 Insulin Resistance Explained 36:32 GLP-1s and Muscle 37:45 Mitochondria 101 41:14 Senescent Cell Zombies 42:41 Autophagy and Immune Cleanup 44:31 Immune System Senescence 46:10 Hormones and Senescent Load 48:54 Clearing Senescent Cells 50:33 Lifestyle Levers Exercise 53:21 Senolytics and Measuring SASP 56:54 Testing Immune Senescence 58:29 COVID and Aging Immunity 01:01:17 Personal Results and Routine 01:08:26 Family Legacy and Purpose 01:12:54 Reforming Healthcare Incentives 01:19:42 Wrap Up and Disclaimer