Research

Energy balance

In adults with type 2 diabetes, a 10% reduction in fat mass (FM) over one year is significantly associated with a lower risk of incident heart failure (HF), whereas changes in lean mass (LM) are not significantly associated with HF risk.

If you have type 2 diabetes, losing fat mass is a powerful way to lower your risk of heart failure. This study shows that a 10% drop in fat mass significantly reduces risk, while losing muscle mass does not have the same protective effect. Focus your lifestyle efforts on reducing fat through diet and activity, rather than worrying excessively about losing muscle during weight loss.

GoodSupportsHIGH confidence
Decline in FM and WC, but not LM, over 1 year were each significantly associated with lower risk of overall HF (adjusted hazard ratio per 10% decrease in FM, 0.80 [95% CI, 0.68–0.95]; adjusted hazard ratio per 10% decrease in WC, 0.77 [95% CI, 0.62–0.95]).
Kershaw V. Patel et al. · Circulation · 2020

Why this rating

Large randomized trial (Look AHEAD) with long follow-up (12.4 years) and adjudicated outcomes, though post-hoc analysis.

Source

Association of Baseline and Longitudinal Changes in Body Composition Measures With Risk of Heart Failure and Myocardial Infarction in Type 2 Diabetes

Kershaw V. Patel et al. · Circulation · 2020

DOI 10.1161/circulationaha.120.050941

rct · n=5103Cited 65×
Read the paper
DOI resolved against Crossref · corpus check 2026-06-10

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