David Katz Science Guru

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.


Is The United States Shrinking? The View from Sharjah

As I write this, I am just back - last night - from Sharjah, where I spoke at a conference. With all due respect to my most gracious hosts, before receiving the invitation to speak in Sharjah, I had never even heard of it. This is despite the fact that I have been to the United Arab Emirates (of which Sharjah is one) before, for a World Health Organization project in Abu Dhabi some years ago. I have been to neighboring Qatar for a public health conference as well. Even so, I had not heard of Sharjah- which now occupies a special place in my memory, and a warm spot in my heart.


Obesity and Diabetes are Regressive: A Soda Tax? Not So Much

As I write this, I am just back from the Connecticut State Legislature, where I gave testimony in support of a “soda tax” proposed by our Governor. Before answering the questions (and provocations) of legislators (again) both favorably and ill-disposed to the measure, I had roughly 3 minutes to make my case. I lay it out for you below, along with the embellishments that did not fit in so tight a space.


An End to Diet Doubts? Don’t Hold Your Breath

We hold this truth to be self-evident: that humans are adapted to breathe air, not water. But should we, really, hold that as self-evident truth? 


A National Institute of Nutrition: of Science, Sense, and Sisyphus

In a recent New York Times article, a triumvirate of authorities- including my friend and former Dean, and our former FDA Commissioner, Dr. David Kessler- made the case for a National Institute of Nutrition. Some colleagues appended an “amen” in social media.


Should You Eat Or Skip Breakfast?

Like so much else in a culture that perennially tests the lower limits of attention span, and like nearly everything we choose to ask about nutrition (e.g., is a calorie a calorie? Which is better, low-carb or low-fat? And so on…), the question we keep posing about breakfast is rather insipid and nearly useless. There are no valuable answers to vapid questions, and “should you eat breakfast?” is a pretty vapid question.