Explain the importance of phdical activity in enchancing the life?? Long Question
Answers
Explanation:
Over the past several decades, as Americans have gotten heavier, they have also adopted an increasingly sedentary lifestyle, becoming less physically active and less physically fit (Centers for Disease Control and Prevention, 2010). These two trends are certainly related. The role of obesity was examined in the previous chapter, so it is natural to ask what role, if any, this decline in physical activity and fitness has played in the nation's slower-than-expected growth in life expectancy over the past several decades.There is nothing new about the observation that physical activity and exercise lead to a greater sense of health and well-being. Nearly two millennia ago, the Roman poet Juvenal wrote of the importance of mens sana in corpore sano, or a healthy mind in a healthy body, and the ancient Greeks and Romans were well aware of the importance of exercise in maintaining a healthy body. Despite this ancient wisdom, accurate quantification of the effect of physical activity or physical fitness on various health outcomes, including the risk of mortality, has yet to be determined. Not surprising, then, the extent to which differences in physical activity might contribute to variations in observed life expectancy across countries is poorly understood.
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