Hana Kahleova is an endocrinologist.

Diet and GLP-1 drugs work better together

Conditions and Diseases
June 3, 2026

If GLP-1 drugs are the breakthrough of this decade, diet may be the most overlooked way to enhance their effect.

These medications have transformed the treatment of obesity and type 2 diabetes, delivering levels of weight loss and glycemic control that were once unimaginable. They are, without question, one of the most important pharmacologic advances in modern medicine.

But amid this progress, we are overlooking a simpler and more fundamental question. Have …

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Diet and GLP-1 drugs work better together

Rethinking nutrition policy on ultra-processed food

Conditions and Diseases
April 24, 2026

For more than a decade, the phrase “ultra-processed food” has functioned as nutritional shorthand for danger, a dietary villain blamed for rising rates of obesity, diabetes, and heart disease. The public message has been simple: If it is ultra-processed, avoid it. But science is rarely that simple.

My colleagues and I recently reviewed the growing body of research examining ultra-processed foods, not as a single monolithic category, but as distinct …

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Rethinking nutrition policy on ultra-processed food