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Diet Study Outcome? Work It; Flip It; Reverse It!

David Katz, M.D. | Posted 05.09.2016 | Healthy Living
David Katz, M.D.

Conclusions about diet study outcomes that are this precarious, that can be worked just a bit, and flipped -- are utterly useless. They are propaganda.

Musical Diets: You Can Dance if You Want to...

David Katz, M.D. | Posted 04.18.2016 | Healthy Living
David Katz, M.D.

We are no strangers to a dizzying array of distorted headlines about diet. But the last couple of weeks took it to a whole new level.

Fatness, Affluence, Adaptation and Hope

David Katz, M.D. | Posted 02.22.2016 | Healthy Living
David Katz, M.D.

We are a uniquely adaptable species. It has led us into trouble that imperils ourselves, and our planet alike. There are early indications of hope that it could lead us out as well.

Expert Dietary Guidance: Gasoline on a Fire?

David Katz, M.D. | Posted 02.04.2016 | Healthy Living
David Katz, M.D.

The flaws in genuinely expert advice about diet are analogous to: this hose vs. that hose; this water pressure vs. that. Spraying gasoline instead of water is a problem at a different level altogether.

The Case for Calling the Dietary Guidelines What They Really Are

David Katz, M.D. | Posted 01.13.2017 | Healthy Living
David Katz, M.D.

Call me crazy. Or Ishmael, for that matter. I think "Dietary Guidelines for Americans" should be something vaguely like, well, oh I don't know, maybe:...

What's That Smell? That Which We Call 'Dietary Guidelines'...

David Katz, M.D. | Posted 01.11.2017 | Healthy Living
David Katz, M.D.

Since the release last week of the current Dietary Guidelines for Americans, and in my case at least, a resulting bout of projectile vomiting, the nut...

Walnuts, Doughnuts and Wingnuts

David Katz, M.D. | Posted 12.04.2016 | Healthy Living
David Katz, M.D.

Amazingly, Thanksgiving Day has already come and gone. As I write this, then, the somewhat euphemistic "holiday season" has begun. In a bizarre testam...

National Nutrition Policy, Imperiled By Bullies

David Katz, M.D. | Posted 10.24.2016 | Healthy Living
David Katz, M.D.

The nation's official position for the next five years on diet for health is on the line, imperiled by bullies. I am speaking out simply because we don't know how many others, encountering the same forces, have decided doing so is not worth the abuse. I am speaking out because: it is.

Fats, Carbs, and What Jane Brody Meant to Say

David Katz, M.D. | Posted 10.20.2016 | Healthy Living
David Katz, M.D.

Jane Brody published a very sensible reality check about diet in yesterday's New York Times. That it proved sensible was all but inevitable, as her co...

Stunning Health Benefits of Cotton Candy Proposed

David Katz, M.D. | Posted 10.11.2016 | Healthy Living
David Katz, M.D.

The controversy and clamor attached to the report of the 2015 Dietary Guidelines Advisory Committee would seem to suggest that something that radical had been proposed. But that's not quite the case.

Milking Dietary Discord: Who Holds the Bucket?

David Katz, M.D. | Posted 10.07.2016 | Healthy Living
David Katz, M.D.

For now, the cow can be dietary guidelines. In fact, the placement of cows, and milk for that matter, in dietary guidance is at the heart of current discord- and we are all well advised to wonder: who holds the bucket?

Chewing the Fat, Again

David Katz, M.D. | Posted 08.18.2016 | Healthy Living
David Katz, M.D.

Among my numerous colleagues, friends, and correspondents are more than a few who circulate every abstract, however obscure the source, suggesting tha...

Health Lunacy and Rocket Science

David Katz, M.D. | Posted 07.01.2016 | Healthy Living
David Katz, M.D.

We highlight a new celebrity cleanse and fad diet weekly if not daily on the morning shows; and the parade of best-selling quick fixes, each of which maligning all the others, seems never to end. And all the while, we mostly get fatter and sicker...

Big, Fat TRANSgression

David Katz, M.D. | Posted 06.18.2016 | Healthy Living
David Katz, M.D.

In other words, the best diet for our health depends, as it ever has, not on replacing trans fat with any one oil from any one nut up any one tree; but on seeing the forest.

Newton, Nutrition, and the Tweets of Doom

David Katz, M.D. | Posted 05.26.2016 | Healthy Living
David Katz, M.D.

For all his contributions to science, controversial and otherwise, in modern context Sir Isaac Newton is most indelibly associated with one rather suc...

Appreciation for Brian Wansink, Run Amok

David Katz, M.D. | Posted 05.23.2015 | Healthy Living
David Katz, M.D.

As hoped, Brian and I see eye to eye. The factors that influence what people choose to do with food matter, but so too do the foods chosen, and what they do to the people. We need not choose to focus on one of these, and neglect the other.

My Milk Manifesto

David Katz, M.D. | Posted 05.02.2015 | Healthy Living
David Katz, M.D.

We can take milk, or leave it. Take milk fat, or leave that. Either way, we can have a good diet of wholesome foods in sensible combinations -- or not. But either way, we need to take seriously the reverberations of our dietary choices across the landscape of a shrinking planet, and the legacy of kindness or cruelty by which history will be invited to judge us.

We're Fat And Sick And The Broccoli Did It!

David Katz, M.D. | Posted 04.26.2015 | Healthy Living
David Katz, M.D.

It's no big surprise that someone untrained in research methods would tell us all what the research really means and why the scientists on this committee -- all trained to do research and interpret it -- are just a bunch of hacks. But that the New York Times would allocate its imprimatur and rarefied real estate to an infomercial masquerading as an Op-Ed is a lamentably disappointing surprise.

Diet, Dog and Dogma

David Katz, M.D. | Posted 04.22.2015 | Healthy Living
David Katz, M.D.

Before the committee report is translated into official guidelines, there is a period of public comment.Some of the commentary will be from public health advocates, but much will be from industry. What exact dietary guidelines will emerge from this gauntlet remains to be seen. But given that, I like what I see so far. I think the advisory committee has done a stellar job.

Paleo for a Shrinking Planet?

David Katz, M.D. | Posted 04.21.2015 | Healthy Living
David Katz, M.D.

While many do, no one can say that a Paleo diet is best for health on the basis of truly robust evidence. But no one can say it isn't, either.

What's What in Nutrition? What's on First

David Katz, M.D. | Posted 03.22.2015 | Healthy Living
David Katz, M.D.

The only measures of energy balance I apply to myself are: Do my clothes fit? Can I do the same number of chin-ups and pull-ups as yesterday? I don't care how many calories I ate yesterday, and it doesn't matter if my elliptical erred high, low, or was spot on.

Knowing What to Eat, Refusing to Swallow It

David Katz, M.D. | Posted 09.01.2014 | Healthy Living
David Katz, M.D.

The argument for an emphasis on actual foods rather than manufactured ingestibles masquerading as such garners little opposition from entities not directly involved in selling the latter. Such entities, however, have access to the best marketing talent money can buy.

Newtonian Nutrition

David Katz, M.D. | Posted 08.12.2014 | Healthy Living
David Katz, M.D.

Arguments against the fundamental utility of the calorie to human energy balance, and weight control, really do devolve to arguments against Newton and this basic law.

The Serious Health Benefits

David Katz, M.D. | Posted 10.15.2011 | Healthy Living
David Katz, M.D.

My lab has completed two studies of walnuts -- our first study showed that adding walnuts to the daily diet of adults with Type 2 diabetes for two months significantly improved blood vessel health.