MGB researchers just developed a new risk calculator for obesity. Here's why that's a game changer.
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MGB researchers just developed a new risk calculator for obesity. Here's why that's a game changer. The new tool could help predict obesity-related health risks earlier and reshape prevention strategies, researchers say. March 17, 2026 | 1:52 PM 3 minutes to read Researchers from Mass General Brigham have developed a new genetic risk calculator designed to predict not just who may develop obesity or Type 2 diabetes, but how those conditions could affect long-term health. Drawing on one of the largest datasets ever used for this type of research, the new calculator can identify people at risk of obesity or Type 2 diabetes potentially decades before the conditions develop. The findings, published in the research journal "Cell Metabolism," mark a significant step forward in using genetics to forecast the trajectory of complex metabolic diseases - disorders affecting the body's ability to break down food - MGB announced in a statement Thursday. At the center of the research is a tool known as a polygenic risk score, which aggregates multiple genetic variants to estimate a person's likelihood of developing a disease, MGB officials said. While such scores already exist, the MGB team set out to go further: predicting the downstream health consequences of obesity and Type 2 diabetes, not just the diagnoses themselves, said co-first author Min Seo Kim in a statement. "In the...
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