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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


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


Vitamin D and Thyroid Function
Vitamin D plays a critical role in thyroid health by regulating immune tolerance, gene expression, and thyroid hormone sensitivity. Low vitamin D levels are strongly associated with autoimmune thyroid diseases such as Hashimoto’s thyroiditis and Graves’ disease, as well as persistent hypothyroid symptoms despite “normal” lab values. Optimizing vitamin D supports immune balance, improves thyroid hormone signaling, and may reduce autoimmune activity.

David Stephen Klein, MD FACA FACPM
Mar 34 min read


Atherogenic Dyslipidemia: Why Triglycerides and HDL Matter More Than LDL Alone
Atherogenic dyslipidemia—marked by high triglycerides, low HDL, and small dense LDL—often hides behind normal LDL cholesterol. This insulin-resistant lipid pattern predicts cardiovascular disease earlier and more accurately than LDL alone.

David S. Klein, MD FACA FACPM
Feb 243 min read


Fatty Liver Disease (MASLD): The Metabolic Warning Sign of Insulin Resistance
Metabolic dysfunction–associated steatotic liver disease (MASLD), formerly called fatty liver, is not a liver problem alone—it is a systemic marker of insulin resistance. Often silent for years, MASLD signals elevated cardiometabolic, cognitive, and longevity risk long before abnormal liver enzymes or diabetes appear.

David S. Klein, MD FACA FACPM
Feb 173 min read
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