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Learn, Embrace, Age Well
Dear Reader
Welcome to the GeriAcademy blog! I hope you find the information valuable and easy to understand. If you find it helpful, please share GeriAcademy with someone you care about. I aim to provide clear and accessible education on aging-related topics, including disease processes. If there's a specific topic you’d like me to cover, feel free to send me a message.
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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.

Golnosh Sharafsaleh
3 days 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

Golnosh Sharafsaleh
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.

Golnosh Sharafsaleh
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.

Golnosh Sharafsaleh
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.

Golnosh Sharafsaleh
Jan 255 min read


The Importance of Fiber: Why Most Americans Are Not Getting Enough
High Fiber Fruits and Vegetables As I was advising a patient on how much fiber they needed, I realized that I do not have a blog post on fiber. So here it is!! Fiber is one of the most important and most overlooked nutrients in the modern diet. It plays a critical role in digestive health, blood sugar regulation, cholesterol management, and gut microbiome health. Despite these benefits, the vast majority of Americans do not consume enough fiber each day, which has meaningful

Golnosh Sharafsaleh
Dec 15, 20253 min read


N-Acetylcysteine (NAC): How It Supports Brain Function, Mood, and Overall Health
This brief, evidence-based overview explains how N-acetylcysteine (NAC) may support brain health, mood, inflammation, and overall metabolic balance. Learn how NAC boosts glutathione, helps regulate oxidative stress, and may improve clarity and resilience. Includes key safety notes, dosing, and why it’s important to talk with your doctor before starting NAC.

Golnosh Sharafsaleh
Nov 30, 20255 min read


Cancer and Aging: Prevention Begins Long Before Diagnosis
Cancer and aging are deeply connected, sharing many of the same biological roots, like inflammation, oxidative stress, and metabolic changes. This post explores how prevention begins decades before diagnosis through lifestyle, nutrition, movement, and awareness. It’s not about guilt or blame, but empowerment and hope, whether you’ve never had cancer, are living with it, or are in remission.

Golnosh Sharafsaleh
Oct 10, 20255 min read


Exercise and the Aging Heart: How to Train Smart for Longevity - Part 2
Artistic illustration of a healthy heart with a human figure, representing cardiovascular fitness, exercise training zones, and heart health for longevity.

Golnosh Sharafsaleh
Sep 28, 20254 min read


Your Heart Doesn’t Have to Wear Out: Aging and Heart Health Redefined - Part 1
Discover how your heart can stay strong as you age. Discover the six pillars of lifestyle medicine and the geriatric 5Ms for maintaining lifelong cardiovascular health.

Golnosh Sharafsaleh
Sep 28, 20255 min read


Healthy Aging Starts Now: Don't Wait for "Later"
Aging doesn’t begin when we retire or notice our first wrinkle; it begins silently in our 30s and 40s. The choices we make in these decades — how we eat, sleep, move, and manage stress- shape our future health, strength, and independence. As Peter Attia reminds us in Outlive, longevity isn’t about reacting to disease later; it’s about building capacity now. The question is simple: what will you do today that your future self will thank you for?

Golnosh Sharafsaleh
Aug 31, 20253 min read


Meet Inositol: Choline’s Powerful Sidekick for Your Brain and Body
Inositol, often paired with choline, plays a key role in brain health, mood balance, and metabolism. Learn who’s at risk for low levels and why it matters.

Golnosh Sharafsaleh
Aug 20, 20254 min read


Choline: The Brain-Boosting Nutrient You’re Probably Missing
Most people have never heard of choline — yet this nutrient is essential for healthy aging. It supports memory, muscle strength, liver function, and overall brain health. And according to research, nearly 90% of Americans don’t get enough choline in their daily diets.

Golnosh Sharafsaleh
Aug 6, 20254 min read


Sleep Apnea: The Silent Risk Hiding in Plain Sight
Sleep Apnea and the Brain Most people associate sleep apnea with snoring or feeling tired during the day. But what many don’t realize is...

Golnosh Sharafsaleh
Jun 2, 20253 min read


Cholesterol: It's More Than Just a Number
Cholesterol is more than a simple number on a lab report. In this post, we delve into what your cholesterol and inflammatory markers really mean, how they affect your heart and brain health, and why personalized, proactive care is crucial for aging well.

Golnosh Sharafsaleh
Apr 27, 20256 min read


The Perfect Pair: How Geriatrics and Lifestyle Medicine Work Together
Aging well isn’t just living longer—it’s about vitality, independence & purpose. Learn how geriatrics & lifestyle medicine intersect.

Golnosh Sharafsaleh
Mar 8, 20253 min read


The Hidden Danger in Your Blood: What is Homocysteine, and Why Does It Matter?
Homocysteine links heart and brain health—too much can increase the risk of heart disease and memory loss. Learn how to keep it in check.

Golnosh Sharafsaleh
Mar 3, 20253 min read


B12 and Healthy Aging: Why This Essential Vitamin Matters
Foods containing Vitamin B12 B12 is an essential vitamin that is often overlooked but vital to consider as we age. Adequate B12 levels...

Golnosh Sharafsaleh
Feb 16, 20253 min read


Healthcare Without the Wait: Why Concierge Medicine is Changing the Game
Concierge medicine isn’t just for when you're sick—it’s about building a proactive healthcare partnership for prevention and wellness.

Golnosh Sharafsaleh
Feb 10, 20253 min read


Decoding Food Labels: The Key to Healthy Aging
Learn how to read food labels to make informed choices for better aging. Understand nutrients, ingredients, and label claims easily!

Golnosh Sharafsaleh
Feb 9, 20253 min read
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