Intermittent Fasting Is the Diet of the Moment

Is it better than any other diet, or is it just a novelty?

Dr. David L. Katz
Heated

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Photo by Johanna Parkin via Getty Images

Intermittent fasting is currently salient on the shortlist of generally short-lived dietary fixations. The first thing to say about this is that there should be no such list.

Where diet reliably contributes most to vitality, longevity, and, yes, weight control, it is because of cultural traditions, heritage, and the time-honored practices of generations, not the vagaries of news cycles and hyperbolic headlines. But because dietary fads perennially supplant science and sense, there is always a shortlist of fleeting fixations. Intermittent fasting is currently parked there, so let’s talk about it.

The value proposition for intermittent fasting is all about weight loss beyond the expectations of mere calorie restriction. Inevitably, the arguments for this approach assert or imply novelty and the discovery of something new and therefore shiny.

This is a standard approach to the marketing of any dietary tactic. The ketogenic diet, for instance, popular at present under that rubric, was the induction (and, thus, most impactful) phase of the Atkins diet. While popularized as if newly discovered, the diet has been with us through a sequence of temporary infatuations spanning nearly 50 years. Where…

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Dr. David L. Katz
Heated

President, True Health Initiative; CEO, Diet ID; Founder, Former Director, Yale-Griffin Prevention Research Center. @DrDavidKatz