David Katz Diet Expert

David L. Katz, MD, MPH, FACPM, FACP, FACLM, is the Founding Director (1998) of Yale University’s Yale-Griffin Prevention Research Center, and current 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.


The Invention of Blood Pressure

If you could turn back time (Eye of Agamotto, perhaps), and invest in the invention of the blood pressure cuff, at the very start- would you?


Density of Breasts, Clarity of Decisions

My dear friend and esteemed colleague, Dr. Nancy Cappello, passed away this past year, far too soon. The short version of that story is that Nancy died of the very late consequences of delayed diagnosis and treatment of her breast cancer. That delay resulted from the imaging challenges with dense breast tissue. The longer arc of that narrative is a tale of arduous challenge for Nancy and her loved ones, and a story of courage, inspiration, altruism, and beauty. A great tale, just not this one.


Fighting for the Common Ground of Better Diet

This past week the world recognized the 75th anniversary of the D-Day invasion that marked the slow beginning of the painful but triumphant end to World War II. Many of us doubtless looked back with pride and appreciation, even as we looked around with rueful sadness, regret, and perhaps shame. The divisive forces of demagoguery, isolationism, xenophobia, and selfish myopia that own this moment are a flagrant disservice to that one.


Diet Is a Vital Sign

In medicine, vital signs measure what is truly vital to health. The formal definitions vary but all point in the same general direction: key indicators of health and physical condition, related to essential body functions. The most standard and time-honored list includes body temperature, blood pressure, heart rate, and respiratory rate. 


Ultra-Processed Food Makes Us Fat: Forewarned, But Not Forearmed

Ultraprocessed foods make us overeat, and get fat. Who knew? Well, the food industry almost certainly knew- and in principle, we knew that they knew. We were told. We were told fairly recently, and emphatically. But we were told before, too- nearly 15 years ago.