Auch normalgewichtige Menschen können einem Risiko für Diabetes und ähnliche Krankheiten ausgesetzt sein: Wer einen unerwartet hohen metabolischen BMI hat, hat ein bis zu fünfmal höheres Risiko
https://www.gu.se/en/news/metabolic-bmi-reveals-disease-risk-even-in-people-of-normal-weight
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> The results show that unexpectedly high metabolic BMI is linked to a two to five times higher risk of a range of diseases and conditions: fatty liver, diabetes, abdominal obesity, insulin resistance, and even predicts poor/limited weight loss following bariatric surgery
> The metabolic BMI developed by the researchers is based on advanced metabolomic analyses – comprehensive measurements of hundreds of small molecules in the blood that reflect cell metabolism. The measurement provides a far more accurate picture of an individual’s metabolic health and cardiovascular disease risk than traditional BMI. The study analyzed 1,408 participants.
> A key finding of the study is a strong link between metBMI and the composition of bacteria in the gut, the gut microbiota. People with higher metBMI had a gut microbiota with reduced diversity and lower potential to break down dietary fiber into butyric acid, which has previously been linked to inflammation and increased disease risk.
[Multi-omic definition of metabolic obesity through adipose tissue–microbiome interactions | Nature Medicine](https://www.nature.com/articles/s41591-025-04009-7)
Is metabolic body mass index really the best name for this?
People like to say that BMI is a rubbish metric, usually to say that they’re overweight but healthy really. Yet, more and more evidence points that actually it’s the other way, a healthy BMI can still mean you’re a tub of lard. Just skinnier lard.
I’m overweight but haven’t been obese for over a decade. By every measured metric except bodyweight (and HRV, to the limits that is useful, actually) I’m healthy. But still need to get that BMI healthy!
Healthy weight/BMI, quite healthy diet, and good exercise levels … and still, genetics can get you. I’ve had high cholesterol all my life, and now have Type 2 diabetes at retirement age. I wonder about those gut microbiota, mostly. I believe we need SO much more research in this field.
The main advantage of BMI is that it is fast and easy to measure at home. „MetBMI“ replaces this with a complicated and expensive metabolic panel that is probably only accessible to people living near large academic research hospitals. While it is important to know that you can be a healthy weight and still experience metabolic dysfunction, I think the framing of this as „a better BMI“ is ridiculous. It’s a completely different type of measurement.