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Aerobic exercise, which speeds up your heart rate and breathing, is important for many body functions. It gives your heart and lungs a workout and increases endurance. If you’re too winded to walk up a flight of stairs, you need to see your doctor for a medical evaluation. If it’s just because you are deconditioned, then you will need more aerobic exercise to help condition your heart and lungs and get enough blood to your muscles to help the

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