Answer:
Improving cardiovascular fitness can reduce your risk of developing heart problem by increasing the efficiency of your heart, lungs, and blood vessels. Developing muscular strengths helps to build strong, healthier muscles and bones. This helps to develop good posture and relieve back pain. You'll have more stability, balance, and flexibility, making injuries and falls less likely. Sleep is important because it enables the body to repair and be fit and ready for another day. Getting adequate rest may also help prevent excess weight gain, and increased illness duration.
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