A large-scale study with 5.24 million participants has found statistically significant associations between increased BMI and 17 of 22 frequent cancers. The strongest associations were observed for cancers of the endometrium, kidney, gallbladder and uterus. Questions remain as to whether several of the weaker associations reported in this study reflect genuinely causal relationships.
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Kaaks, R., Kühn, T. Obesity and cancer—the evidence is fattening up. Nat Rev Endocrinol 10, 644–645 (2014). https://doi.org/10.1038/nrendo.2014.168
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DOI: https://doi.org/10.1038/nrendo.2014.168
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