David Ludwig MD, PhD
davidludwigmd.bsky.social
David Ludwig MD, PhD
@davidludwigmd.bsky.social

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

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%
Pinned
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

LOW-CARB DIETS

Start of my career: "They don't work for wt loss"

Then: "You'll be a lean corpse"

Now: versus higher carb, IMPROVED

* Body comp
* BP
* TG
* VLDL
* ApoB-A1 ratio
* endothelial markers
* inflam markers
* overall CVD risk

(yes, LDL goes)
www.sciencedirect.com/science/arti...
Effects of carbohydrate-restricted diets and macronutrient replacements on cardiovascular health and body composition in adults: a meta-analysis of randomized trials
Carbohydrate-restricted diets (CRDs) are widely promoted for improving cardiovascular and body composition outcomes, yet evidence remains mixed across…
www.sciencedirect.com

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...

Reposted by David Ludwig

Reposted by David Ludwig

Reposted by David Ludwig

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

Reposted by David Ludwig

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...

Reposted by David Ludwig

Reposted by David Ludwig

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

Reposted by David Ludwig

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

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

Reposted by David Ludwig