体育活动挽救生命

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　　WHO recommends that adults do at least 150 minutes per week of physical activity of moderate intensity such as walking, cycling, household chores or doing sport.
　　Key facts
　　? Physical inactivity is the fourth leading risk factor for death worldwide.
　　? Approximately 3.2 million people die each year due to physical inactivity.
　　? Physical inactivity is a key risk factor for non-communicable diseases (NCDs) such as cardiovascular diseases, cancer and diabetes.
　　? Physical activity has significant health benefits and contributes to prevent NCDs.
　　? Globally, one in three adults is not active enough.
　　? Policies to address physical inactivity are operational in 56% of WHO Member States.
　　? WHO Member States have agreed to reduce physical inactivity by 10% by 2025.
　　What is physical activity?
　　WHO defines physical activity as any bodily movement produced by skeletal muscles that requires energy expenditure -- including activities undertaken while working, playing, carrying out household chores, travelling, and engaging in recreational pursuits.
　　The term "physical activity" should not be confused with "exercise", which is a subcategory of physical activity that is planned, structured, repetitive, and aims to improve or maintain one or more components of physical fitness. Both, moderate and vigorous intensity physical activity brings health benefits.
　　The intensity of different forms of physical activity varies between people. In order to be beneficial for cardiorespiratory health, all activity should be performed in bouts of at least 10 minutes duration. WHO recommends:
　　? for children and adolescents: 60 minutes of moderate to vigorous intensity activity per day;
　　? for adults (18+): 150 minutes of moderate-intensity activity per week.
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