"Running burns more calories than any other mainstream exercise. But despite the fact that running has been proven to reduce your risk of chronic illnesses, such as heart disease, type 2 diabetes and stroke, there has been a lot of debate around whether our bodies truly can adapt to running long distances, such as marathons. It is known that the heart and lungs can become stronger and more efficient to help propel you forward – but what about your muscles and tendons? Can they adapt to make the very act of running more efficient, too?
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