Prevention With Joel Kahn, MD

Cardiology

Dr. Kahn is a summa cum laude graduate of the University of Michigan School of Medicine. He practices cardiology in Detroit, is a clinical professor of medicine at Wayne State University School of Medicine, and specializes in vegan nutrition and heart disease reversal.


The Endothelial Glycocalyx: The New Therapeutic Target

Dear readers,

A big week of health news, starting with a promising study that shows targeting the endothelial glycocalyx with natural products (no Rx products are known to target it) improves vascular function. It is high time to simply check the blood level of Lipoprotein(a) in all patients along with other lipid markers. Starting a healthy lifestyle at a young age pays big dividends in middle age. Chicken as a health food? A new study provides shocking data showing the opposite. Colchicine has data pro and con in CVD, but a new study supports its use. I have long used the calcium CT score to develop a personalized plan of therapy for patients, and a new study supports CT imaging as an important step forward.

Plant-based diets supporting prevention and therapy for various cancers are a growing database base, and a new article is here. It is now possible to measure biomarkers of brain health to predict future dementia. I have been doing this in my clinic for several years, and the results are very informative. Finally, the first human study of the impact of a high-fat, high-sugar diet on cognition speaks to avoiding these foods (eat whole plant foods!).

Be well,

Joel Kahn, MD, FACC


Articles
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    • Elevated lipoprotein(a) [Lp(a)] has emerged as an independent risk factor for atherosclerotic cardiovascular disease (ASCVD) and calcific aortic valve stenosis (AVS). A new study found that low-density lipoprotein cholesterol (LDL-C), non-high-density lipoprotein cholesterol (HDL-C), apolipoprotein B (apoB), and high-sensitivity C-reactive protein (hsCRP) explain a minimal or negligible fraction of this risk.

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    • The retrospective cohort study presented at ACC 2025 analyzed more than 917,000 diabetic patients without CAD using the TriNetX database. After propensity score matching, colchicine use was associated with:

      • 21% reduction in all-cause mortality (OR, 0.79; P<0.001);
      • 89% reduction in acute myocardial infarction (OR, 0.11; P<0.001); and
      • 37% reduction in cerebrovascular accidents (OR, 0.63; P<0.001).

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    • Using coronary artery calcium (CAC) scores to guide treatment is associated with significant benefits for intermediate-risk patients with a family history of premature coronary artery disease (CAD), according to new data published in JAMA.[1]

      Up to 50% of all patients face an intermediate risk of developing CAD, researchers explained, and the optimal treatment strategy for that population remains unclear. The issues is made even more challenging by the fact that medications and lifestyle interventions are not always effective in intermediate-risk patients. 

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    • New evidence highlights how diet quality, not just plant-based eating, can influence breast cancer risk, particularly in postmenopausal women and those with lower BMI.

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    • New research from the University of Sydney links fatty, sugary diets to impaired brain function. The findings build on a growing body of evidence showing the negative impact of high-fat, high-sugar (HFHS) diets on cognitive ability, adding to their well-known physical effects.

      Published on Friday in the International Journal of Obesity, the research is the first to test in humans the relationship between HFHS diets, particularly those high in refined sugar and saturated fat, and first-person spatial navigation. Spatial navigation is the ability to learn and remember a path from one location to another, a process that can approximate the health of the brain's hippocampus.