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The prevalence of obesity has been increasing in the USA as well as in many other parts of the world. As obesity is related to dyslipidaemia, type 2 diabetes mellitus and hypertension,1 one would expect the prevalence of cardiovascular disease to increase.
Yet, the study by Chelliah and colleagues2 published in this issue of the Postgraduate Medical Journal, analysing data from the USA National Health and Nutrition Examination Survey, showed that the proportion of people with overt cardiovascular disease at different degrees of obesity remained more or less the same from 1999 to 2016 in the USA. The tendency to an increase in the prevalence of cardiovascular disease might have been offset by the better prevention, diagnosis and treatment of cardiovascular disease, such as the improvement in blood …
Contributors BC drafted the manuscript. HLL revised the manuscript for intellectual content.
Funding The authors have not declared a specific grant for this research from any funding agency in the public, commercial or not-for-profit sectors.
Competing interests None declared.
Patient consent for publication Not required.
Provenance and peer review Commissioned; internally peer reviewed.
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