Mixed
Shifting the Australian population's BMI to an optimal level of ≤25 kg/m² yields substantial health gains, specifically 2.00 million undiscounted Health Adjusted Life Years (HALYs) over 20 years and 20.4 million over the remaining lifetime.
For public health policy, this simulation confirms that population-wide strategies to maintain a BMI under 25 kg/m² are among the most effective interventions for extending healthy life. The benefits are not just individual but systemic, significantly reducing the burden of chronic diseases like heart disease, diabetes, and osteoarthritis, with the greatest relative health improvements occurring in socioeconomically disadvantaged communities.
Undiscounted health gains in the first 20 years and lifetime of the population were, respectively, 2.00 million (95% uncertainty interval 1.70–2.32) and 20.4 million (17.0–24.2)... Reductions in the incidence of cardio metabolic diseases contributed 61%... of the undiscounted health gains in the first 20 years
Why this rating
High-quality simulation modeling based on robust national survey data and Global Burden of Disease rate ratios, though it is a hypothetical eradication scenario rather than a direct clinical trial.
Source
Health gains from achieving optimal body mass index in Australia: a simulation study
Shweta Bohora et al. · The Lancet Regional Health - Western Pacific · 2024
DOI 10.1016/j.lanwpc.2024.101148
Related findings · Mixed
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