Atherosclerotic cardiovascular disease (ACVD) is common in the general population, affecting most adults over 60 years of age. The disease includes four main areas: (1) Coronary heart disease, (2) Cerebrovascular disease, (3) Peripheral arterial disease, and (4) Aortic atherosclerosis with aneurysms. The conditions traditionally associated with the installation of ACVD (the so-called “risk factors”) are dyslipidemia, diabetes mellitus, arterial hypertension, smoking, obesity, sedentary lifestyle and a family history of ACVD. Atherosclerotic vascular changes may begin in childhood, setting the stage for cardiovascular events in adulthood. Tornquist et al. present in this issue of Arquivos Brasileiros de Cardiologia some aspects of obesity and cardiorespiratory fitness in relation to cardiometabolic risk in children.

Obesity is a public health problem that has expanded worldwide. According to a report by the World Health Organization in 2016, obesity has tripled since 1980. The prevalence of obesity and overweight also increased among young people, from 16% in 1980 to 23% in 2013.

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