It's very well known that regular physical activity, even moderate, improves health and therefore the overall quality of life. The WHO (World Health Organization) 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. At all ages, the benefits of being physically active outweigh potential harm, such as accidents. Some physical activity is better than doing nothing.
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