The A in HEALTH, Activity, The Ability to Move Through Life.
Stop confusing exercise with activity. In the HEALTH framework, your "functional status" is the real report card. Whether you’re 30 or 70, your ability to climb stairs, carry groceries, and move without fear predicts your future health more than any lab result. Learn why gait speed is the "sixth vital sign," how to build biological reserve, and why strength is the ultimate organ of independence. Protect your healthspan by reclaiming movement today.
7 hours ago6 min read
E Is for Energy: The Biology That Determines How You Age
Energy is more than feeling tired. In this post, Dr. Golnosh Sharafsaleh (Dr. The Geriatrician and Lifestyle Medicine Expert explores the biology behind low energy through the HEALTH framework, explaining how mitochondrial function, insulin resistance, oxygen delivery, stress physiology, circadian rhythm, and medication burden influence fatigue and aging. Learn why many chronic diseases begin as energy dysfunction and how protecting energy systems preserves resilience, longev
Feb 145 min read
The HEALTH Framework: H Is for Health Systems in Aging
Aging is the shifting balance of multiple systems that must continually communicate, compensate, and adapt.
The brain does not age in isolation from the vascular system. Muscle does not weaken independently of metabolism. Immunity does not decline without influence from stress, sleep, and inflammation. Every system is interconnected, and when one falters, the others adjust, sometimes quietly, sometimes dramatically. This post reviews the H in the HEALT framework.
Feb 83 min read
What Is Healthspan? A Geriatrician’s Framework for Aging Well
We spend decades focused on how long we might live, yet far less time thinking about how well we live along the way. Healthspan is not about avoiding aging or chasing youth, it is about preserving function, energy, meaning, and dignity over time. In this post, Dr. G introduces the HEALTH Framework, a practical, whole-person model for understanding and improving healthspan across the lifespan.
Jan 315 min read
Berberine, Metabolism, and Longevity: What to Know and When to Be Cautious
Berberine is a plant-derived compound studied for its effects on blood sugar, insulin resistance, gut health, and metabolic longevity. Often compared to metformin, berberine works differently, largely through the gut microbiome. This article explains how berberine works, its potential benefits, side effects, drug interactions, and who should use caution.
Jan 255 min read
