Questão FC171265
Text CG2A2 A new study on physical activity that involved more than half a million participants over age 40 found that modest exercise increases life expectancy regardless of weigh
Interpretação de Textos (Understanding)
CEBRASPE (CESPE) · 2023
A new study on physical activity that involved more than half a million participants over age 40 found that modest exercise increases life expectancy regardless of weight.
Contrary to most of the attention given to obesity as the crucial risk factor for health, the study found that an active lifestyle increased life expectancy to a greater extent than a lower body mass index (BMI), in general. In fact, participants who were active but class 1 obese lived an average of 3.1 years longer than those who were at a normal weight but didn’t engage in physical activity. This is in-line with reports from earlier this year that excessive sitting is unhealthy and that reducing excessive sitting to less than 3 hours a day alone can improve longevity by 2.0 years.
The article states low level of physical activity of moderate to vigorous intensity would confer a 1.8-year gain in life expectancy after age 40, compared with no activity. A low level of physical activity is defined as up to 75 minutes of fast walking per week.
A consequence of this study is that it calls into question the reliance on BMI to assess fitness. That isn’t to suggest that BMI isn’t a factor, but that what we’ve heard for years in the media that being overweight is “bad” for you while exercise is “good” is a flawed message. A better message would be: Regular exercise is essential to longevity and a lower BMI helps too — do the first and the other will likely follow.
According to the new study, a sedentary lifestyle is a more relevant risk factor for health than weight.
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Comentário: O estudo mencionado conclui que um estilo de vida sedentário representa um risco maior para a saúde do que o peso corporal em si. Ele demonstra que a prática regular de exercícios físicos, mesmo em indivíduos com sobrepeso ou obesidade, pode resultar em uma expectativa de vida maior do que a de pessoas com peso normal que não se exercitam. Isso sugere que a inatividade física é um fator de risco mais crítico para a longevidade do que a obesidade, corroborando a afirmação de que um estilo de vida ativo é fundamental para a saúde. Portanto, a afirmativa está correta ao dizer que um estilo de vida sedentário é um risco mais relevante para a saúde do que o peso.
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