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Alpha-Lipoic Acid: A Powerful Tool for Metabolic Health, Weight Loss, Insulin Resistance and Brain Protection
Alpha-lipoic acid (ALA) is a powerful antioxidant that plays an important role in metabolism, weight management, and brain health. Research shows it may improve insulin sensitivity, support healthy blood sugar regulation, promote fat metabolism, and help protect against cognitive decline by reducing oxidative stress and improving mitochondrial function. For patients focused on longevity and prevention, ALA may represent one of the most versatile evidence-based nutritional int

David Stephen Klein, MD FACA FACPM
5 hours ago5 min read


Vitamin D in Midlife May Reduce Future Tau Protein Burden: Implications for Dementia Prevention
A major new study published in Neurology demonstrated that individuals with higher circulating vitamin D levels during midlife showed significantly lower tau protein accumulation in the brain nearly two decades later. Tau protein accumulation is one of the central pathological hallmarks of Alzheimer’s disease and other neurodegenerative disorders. These findings suggest vitamin D optimization during midlife may represent an overlooked but potentially powerful intervention for

David Stephen Klein, MD FACA FACPM
Jun 156 min read


Insulin Resistance: The Hidden Precursor to Cardiovascular Disease, Dementia, and Accelerated Aging
Insulin resistance often develops years before diabetes, heart disease, or dementia are diagnosed. During this silent phase, metabolic dysfunction damages blood vessels, the brain, and cellular aging pathways. Understanding insulin resistance early allows for targeted intervention that can meaningfully reduce cardiovascular risk, cognitive decline, and accelerated biological aging.

David S. Klein, MD FACA FACPM
Feb 93 min read


The Benefits of Lithium: An Emerging Role in Memory Loss & Alzheimer’s Prevention and Treatment
Low dose lithium may be a useful tool in the treatment and prevention of memory loss and alzheimer's disease. Well below the dosages used to treat psychiatric disorders, low dose lithium may provide symptomatic relief and may forestall or prevent the development of age related memory loss and dementia.

David S. Klein, MD FACA FACPM
Aug 19, 20255 min read
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