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Dr. Axe Wire · Study decoded · health
Two Year Lifestyle Program Improves Heart Markers Without Weight Loss
A two-year European community program shows diet and activity changes can improve cholesterol, blood sugar and waist size even without dropping pounds.
A two-year community lifestyle program published October 23, 2026 in Nutrition Journal improved waist circumference, blood sugar and cholesterol in adults at risk for type 2 diabetes, even though body mass index did not change.
The Feel4Diabetes trial followed adults at risk for type 2 diabetes, identified by the Finnish Diabetes Risk score, across six European countries, through a two-year community program: group counseling in year one, text message support in year two, compared with usual care. Diet quality came from food questionnaires, activity from daily step counts. Body mass index did not differ between groups by year two. Waist circumference shrank 1.1 cm in the intervention group while growing 1.1 cm in controls. Blood glucose rose 1.1 mg/dL versus a 2.6 mg/dL rise in controls. Total cholesterol fell 6.7 mg/dL versus a 1.0 mg/dL drop in controls, and LDL fell 4.8 mg/dL versus a 0.4 mg/dL rise in controls. Diastolic blood pressure fell 0.8 mmHg versus a 0.7 mmHg rise in controls.
The authors report that gains in both diet quality and physical activity were linked to the waist improvement, but only the diet gain was linked to better cholesterol numbers. That points to diet, more than step counts alone, as what moved lipid profiles, and it happened without any change on the scale.
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Waist Circumference Change Over Two Years
This was a community program compared with usual care, not a tightly controlled trial, so other differences between groups cannot be fully ruled out. The changes in blood sugar, cholesterol and blood pressure were modest, measured in single digits, and whether they lower actual rates of diabetes or heart disease is still unanswered.
Dr. Axe’s Take
The scale is a poor scoreboard for metabolic health. These adults didn't lose weight, yet waist size, cholesterol and blood sugar all moved in a better direction than in people on usual care. In this trial, better diet quality was the change tied to better cholesterol, more than step counts. If you're concerned about diabetes risk, stop fixating on the scale and focus on real food: more fiber, vegetables, healthy fats like olive oil and avocado, and fewer refined carbohydrates. Track your waist circumference, not just your weight, as the better marker of progress.
— Dr. AxeTake the Metabolic Health Quiz →
Study summary
- Who
- Adults at risk for type 2 diabetes (Finnish Diabetes Risk score) across six European countries
- Design
- Community-based lifestyle intervention vs usual-care comparison group, two years
- Dose
- Year 1: group counseling sessions; Year 2: text message support
- Primary result
- Waist circumference: -1.1 cm (intervention) vs +1.1 cm (control); no significant BMI difference
- Secondary
- Total cholesterol -6.7 vs -1.0 mg/dL; LDL -4.8 vs +0.4 mg/dL; glucose +1.1 vs +2.6 mg/dL; diastolic BP -0.8 vs +0.7 mmHg
- Funding / conflicts
- Funded by the European Union's Horizon 2020 research and innovation program (Grant Agreement Number: 643708). The authors declare no competing interests.
- Date
- Oct 23, 2026