David Katz Healthcare Expert

David L. Katz, MD, MPH, FACPM, FACP, FACLM, is the Founding Director (1998) of Yale University’s Yale-Griffin Prevention Research Center, and former President of the American College of Lifestyle Medicine. He has published roughly 200 scientific articles and textbook chapters, and 15 books to date, including multiple editions of leading textbooks in both preventive medicine, and nutrition. He has made important contributions in the areas of lifestyle interventions for health promotion; nutrient profiling; behavior modification; holistic care; and evidence-based medicine. David earned his BA degree from Dartmouth College (1984); his MD from the Albert Einstein College of Medicine (1988); and his MPH from the Yale University School of Public Health (1993). He completed sequential residency training in Internal Medicine, and Preventive Medicine/Public Health. He is a two-time diplomate of the American Board of Internal Medicine, and a board-certified specialist in Preventive Medicine/Public Health. He has received two Honorary Doctorates.

 

Medicine for Another Day

A “new era” in medicine does not come along very often. We had one, perhaps, in 1854 when John Snow effectively invented the practical applications of epidemiology by removing the handle from London’s Broad Street water pump. We had one about 50 years prior when Edward Jenner discovered the prevention of smallpox with vaccination. We had one when the value to public health of basic sanitation was first sorted out; we had one when micronutrients were discovered to cure and prevent various deficiency syndromes; and we had one when Alexander Fleming and a bit of serendipity combined to discover penicillin, and usher in the antibiotic age. 

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Zip Codes of Medical Destiny

When the PURE diet study papers roiled headlines around the world recently, I wrote an admittedly lengthy analysis. I didn’t feel I had much choice; the publications encompassed three distinct research papers, reams of data, and a whole lot of what proved to be mostly misguided interpretation of the findings by the media, and the investigators themselves. Getting the story sorted out reliably involved some heavy lifting, and considerable verbiage.

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Personalizing Medicine, Past Reductionism

Personalizing medicine is among the salient themes of modern advance, and clearly among the more widely captivating. President Obama emphasized “precision medicine,” effectively the same thing, as a priority for the nation in the context of the cancer moonshot he endorsed in his State of the Union Address in 2016. In the past year, two radical cancer treatment advances have been announced, one for leukemia, one for lymphoma, both involving the genetic re-engineering of a patient’s own cells into customized chemotherapy.

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Animal Protein as Perpetrator: The Challenge in Indicting the Right Nutrient

A study recently published in the International Journal of Epidemiology by researchers at Loma Linda University in California, and the Université Paris-Saclay, in Paris, France reports noteworthy health benefit from plant protein, and significant harms from animal protein. Just such diverging effects of this one nutrient class based on its delivery sources has a rather storied history, figuring prominently, for example, in The China Study. Among others, T. Colin Campbell contends in that book that much of the harm attributed to the saturated fat in animal foods is, in fact, due to the protein instead.

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Coffee, Cancer, and Clouded Judgment

I have long harbored the dream, and cling to it still, that we might embrace the fundamental truths of good nutrition, and thereby add years to our lives and life to our years, and nurture the well-being of this (heretofore) beautiful planet into the bargain.

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