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This article argues that obesity should not be universally classified as a disease, as excess body weight affects different individuals' health in varying ways. The authors emphasize that the relationship between body weight and health outcomes is heterogeneous, with some individuals experiencing significant health complications while others maintain good metabolic health despite higher body weight. The piece advocates for personalized approaches in healthcare, policy, and research that account for individual variation rather than treating obesity as a uniform condition.
Why it matters
This perspective has significant implications for clinical practice and public health policy, suggesting that blanket categorizations may lead to inappropriate treatment recommendations or stigmatization. Recognizing heterogeneity in how obesity affects health could lead to more effective, individualized interventions and reduce harmful weight-based discrimination in healthcare settings.
Nature, Published online: 01 June 2026; doi:10.1038/d41586-026-01729-9
Excess body weight affects individuals’ health differently. Taking this variation into account is crucial for effective health care, policy and research.
Source: Obesity doesn’t equate to ill health: why the ‘disease’ label doesn’t always fit