Research

Hormonal

Delaying the onset of type 2 diabetes by two years in individuals with obesity is associated with a 3.7-year increase in median life expectancy and reduced long-term mortality, primarily driven by lower cardiovascular mortality.

For individuals with obesity, preventing or delaying the onset of type 2 diabetes is a critical lever for extending life expectancy. This study suggests that even a modest two-year delay in developing diabetes can add nearly four years to your life, largely by protecting your heart. Focus on metabolic health markers (like blood sugar and insulin sensitivity) as aggressively as you focus on weight, as the timing of diabetes onset directly impacts how long you live.

GoodSupportsHIGH confidence
The adjusted median life expectancy in the diabetes group was 3.7 years (95% CI: 1.4–6.0, p = 0.002) shorter than in the diabetes-free group... Specifically, cardiovascular mortality was higher in the group with diabetes (adj sub-hazard ratio [sub-HR] 1.74 [95% CI: 1.09–2.77], p = 0.021).
Lena Carlsson et al. · Diabetes Obesity and Metabolism · 2024

Why this rating

Prospective, controlled study with very long follow-up (median 26.1 years, max 33.1 years) and large sample size (n=2863), though not a randomized trial for the specific delay variable.

Source

Association between delay in diabetes development and mortality in people with obesity: Up to 33 years follow‐up of the prospective Swedish Obese Subjects study

Lena Carlsson et al. · Diabetes Obesity and Metabolism · 2024

DOI 10.1111/dom.16010

cohort · n=2863Cited 4×
Read the paper
DOI resolved against Crossref · corpus check 2026-06-10

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