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David Ludwig MD, PhD

@davidludwigmd.bsky.social

170 followers 20 following 33 posts

Endocrinologist, Nutrition Researcher, Public Health Advocate. #1 NYT bestselling author of Always Hungry? and cookbook Always Delicious.

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David S. Ludwig is an American endocrinologist and low-carbohydrate diet advocate in Boston, Massachusetts. He is a promoter of functional medicine.

Source: Wikipedia

Public Health 60%

Medicine 20%

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David Ludwig MD, PhD @davidludwigmd.bsky.social · 3d

The notion of "ultra-processed" food is so complicated, not even @fda.gov knows how to define it.

There's a simpler way. Focus on the main health offenders:

👉Refined grains, sugar, and other highly processed carbs.

In print today.
Free online access (requires email) wapo.st/3WuPHGJ

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David Ludwig MD, PhD @davidludwigmd.bsky.social · 2d

Adults (average BMI 25) ate:

2 cups fruit daily or none for 8 wk

(8-wk "washout period" - pretty good, all considered)

Fruit (including bananas, apples, oranges, watermelon)

👉 ⬆️ some blood nutrients
👉BUT insulin resistance better without the fruit

cdn.nutrition.org/article/S247...

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Reposted by David Ludwig

David Ludwig MD, PhD @davidludwigmd.bsky.social · 10d

Will targeting "ultra-processed food" in national nutrition policy make Americans (and the rest of the world) healthier?

I argue there is a better way
wapo.st/3WuPHGJ

Opinion | Targeting ultra-processed food repeats America’s missteps on nutrition

MAHA blames this food group for chronic disease. Nutrition science isn’t so simple.

wapo.st

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Reposted by David Ludwig

PennMedCSO @pennmedcso.bsky.social · 20d

In @natmed.nature.com, Mary Putt (@dbei-upenn.bsky.social), @davidludwigmd.bsky.social & Walter Willett (@hsph.harvard.edu) discuss concerns for the validity of short-term dietary crossover trials www.nature.com/articles/s41...

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Reposted by David Ludwig

David Ludwig MD, PhD @davidludwigmd.bsky.social · 29d

Target "ultra-processed foods" to tackle the chronic disease epidemic .... What could possibly go wrong? My 50 min convo with Nick Norwitz www.youtube.com/watch?v=JAPg...

This Will Change Your Mind on Ultra-Processed Foods (Harvard MD PhDs Discuss)

YouTube video by Nick Norwitz

www.youtube.com

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Reposted by David Ludwig

David Ludwig MD, PhD @davidludwigmd.bsky.social · Sep 10

When you have 50 min ...

The investigative journalist Gary Taubes and I discuss the notion of ultra-processed foods, the sorry state of nutrition research ... and how we can inch toward truth when scientific paradigms collide.
www.youtube.com/watch?v=PfOb...

The Ultra-Processed Food Debate: Science, Bias, & Truth

YouTube video by Metabolic Mind

www.youtube.com

Reposted by David Ludwig

David Ludwig MD, PhD @davidludwigmd.bsky.social · Sep 9

The hotter it gets, the more sugar we consume ... mainly in the form of sugary drinks.

👉Let's find other ways to keep cool
www.nature.com/articles/s41...

Rising temperatures increase added sugar intake disproportionately in disadvantaged groups in the USA - Nature Climate Change

Few studies have evaluated how climate change may affect dietary habits and nutritional health. Here, using transaction data in the USA, the authors show that added sugar consumption increases with te...

www.nature.com

Reposted by David Ludwig

David Ludwig MD, PhD @davidludwigmd.bsky.social · Sep 4

Should national nutrition policy target "Ultra-Processed Foods" as many advocate?

I consider concerns in @nejm.org

Like 'The Emperor's New Clothes'

👉We're rolling out a red carpet, but the evidence is threadbare!

NEJM: www.nejm.org/doi/10.1056/...

BLOG (no paywall) medium.com/@davidludwig...

Ultraprocessed Food on an Ultrafast Track | NEJM

The Nova food-classification system has advanced efforts to address modern diets of highly processed foods. But it’s unclear whether it can be codified at a national level to support public health.

www.nejm.org

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Reposted by David Ludwig