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Uric Acid and Nitric Oxide: The Hidden Driver of Endothelial Dysfunction and Vascular Disease
Uric acid does more than cause gout—it reduces nitric oxide, impairing blood vessel function and increasing risk for hypertension, heart disease, and kidney dysfunction. Understanding this connection allows earlier intervention and better long-term outcomes.

David Stephen Klein, MD FACA FACPM
Apr 115 min read


Optimal Blood Pressure for Your Greatest Longevity.
What is the ideal blood pressure for living longer and staying healthier as we age? While there is no single perfect number for everyone, decades of research make one point clear: maintaining blood pressure in a normal or near-normal range dramatically reduces the risk of heart attack, stroke, kidney disease, and premature death.
For most adults, the range associated with the greatest longevity is a systolic blood pressure of approximately 120–130 mm Hg and a diastolic press

David S. Klein, MD FACA FACPM
Mar 315 min read


The Healing Power of Nourishment: Food as Medicine in Everyday Life
Let Food be thy medicine and Medicine be thy food. Food is more than fuel—it is biologically active. Learn how everyday foods reduce inflammation, support heart and brain health, and influence long-term wellness. This physician-guided overview explains how to use nutrition as a practical tool for disease prevention and improved vitality.

David S. Klein, MD FACA FACPM
Mar 294 min read


Alpha Lipoic Acid and Healthy Aging
Alpha lipoic acid supports mitochondrial energy production, improves insulin sensitivity, and protects vascular and nerve health. This physician-to-patient guide explains how ALA may support disease prevention and healthy aging when used within a comprehensive longevity strategy.

David Stephen Klein, MD FACA FACPM
Mar 274 min read


Is It the Cause… or Just a Coincidence? Understanding Why Not Every Imaging Finding Explains Your Symptoms
Not every abnormal finding on an MRI or X-ray explains your symptoms. Many changes in the body are part of normal aging and may be coincidental. Understanding the difference between causal and incidental findings is essential before considering surgery or invasive treatments. A thoughtful, patient-centered approach ensures that care is directed at the true source of symptoms—not just what appears abnormal on imaging.

David Stephen Klein, MD FACA FACPM
Mar 255 min read


Iodine, Selenium, and Thyroid Function: Why Balance Matters
https://mayoclinic.elsevierpure.com/en/publications/selenium-and-graves-disease/

David Stephen Klein, MD FACA FACPM
Mar 215 min read


The Healing Power of Nourishment: Exploring the Potential of Food as Medicine
Food is more than calories—it acts as a biological signal that influences inflammation, metabolism, immune function, and long-term health. Modern research increasingly supports the concept of “food as medicine,” demonstrating that nutrient-dense whole foods can help prevent chronic disease and promote longevity. Understanding the healing power of nourishment allows patients to use diet as a foundational tool for improving health.

David Stephen Klein, MD FACA FACPM
Mar 204 min read


Selenium, Thyroid Autoimmunity, and Hypothyroidism. Why This Trace Mineral Matters for Thyroid Health
Selenium plays a crucial role in thyroid hormone metabolism and immune regulation. This trace mineral supports the conversion of T4 to active T3 and protects thyroid tissue from oxidative stress. In autoimmune thyroiditis, selenium may help reduce thyroid antibody levels and stabilize thyroid function. Learn where selenium occurs in food, the role of selenomethionine, and safe supplementation levels for thyroid support.

David Stephen Klein, MD FACA FACPM
Mar 195 min read


DiAcCA (Di-Acetylated Carnosic Acid): A Precision Neuroprotective Strategy Targeting Oxidative Stress
Di-acetylated carnosic acid (DiAcCA) is a rosemary-derived investigational compound designed to activate the Nrf2 antioxidant pathway selectively in oxidatively stressed brain tissue. Rather than acting as a simple antioxidant, it amplifies intrinsic cellular defense systems. Preclinical data suggest potential applications in Alzheimer’s disease, Parkinson’s disease, and traumatic brain injury, though human trials remain limited.

David Stephen Klein, MD FACA FACPM
Mar 133 min read


Hyperuricemia and Eye Disease: The Ocular Consequences of Elevated Uric Acid
Elevated uric acid is increasingly linked to glaucoma, retinal vascular disease, macular degeneration, and ocular inflammation. Through endothelial dysfunction and oxidative stress, hyperuricemia may impair ocular microcirculation. Evaluating uric acid levels may be an overlooked step in protecting long-term visual and vascular health.

David Stephen Klein, MD FACA FACPM
Mar 73 min read
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