Physical fitness in itself does not always lower the risk for chronic diseases and ensure better health.
Physical fitness refers to a condition of health and well-being and, more particularly, the capacity to engage in certain activities related to sports, jobs, and daily living. Physical fitness is often attained with healthy eating, moderate to strenuous activity, enough rest, and a system recovery plan. Fitness was once understood to be the ability to complete the day's tasks without becoming overly exhausted or lethargic. The ability of the body to function efficiently and effectively in work and leisure activities, to be healthy, to resist hypokinetic diseases, to improve the immune system, and to respond to emergency situations is now considered to be measured by physical fitness due to automation and changes in lifestyle.
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