top of page

Search


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


Hyperinsulinemia: The Metabolic Condition We Rarely Diagnose- but Routinely Treat Too Late
Hyperinsulinemia often precedes diabetes by decades, quietly driving heart disease, weight gain, hypertension, fatty liver disease, and accelerated aging—even when glucose levels appear normal. Early detection shifts care from reactive treatment to true prevention.

David S. Klein, MD FACA FACPM
Feb 134 min read


Uric Acid and Colorectal Cancer: An Emerging Predictive Biomarker
Elevated uric acid is more than a marker for gout. Growing evidence suggests it reflects metabolic inflammation and oxidative stress linked to increased colorectal cancer risk. This physician-led review explores how uric acid functions as a predictive biomarker, its relationship to insulin resistance and chronic inflammation, and how average-risk screening tools like Cologuard fit into a modern preventive care strategy focused on early detection and risk reduction.

David S. Klein, MD FACA FACPM
Jan 255 min read


Influenza A and B Outbreaks: Why the Flu Season Comes in Waves
This year’s influenza season has followed a familiar clinical pattern, with an early surge of Influenza A infections followed by a later rise in Influenza B cases. While Influenza A is often associated with more severe illness and higher early hospitalization rates, Influenza B can extend the flu season and cause significant disease, particularly in children and older adults. Understanding this progression helps explain why flu activity persists later into the season and unde

David S. Klein, MD FACA FACPM
Jan 153 min read
bottom of page
