Mayo Clinic Sports Medicine
@mayoclinicsport
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Q: Is running a marathon good for my health? A: First-time marathon runners significantly improve their cardiovascular health during training. The key is to aim for at least 30 min of moderate-intensity activity 5 days a week. https://mayocl.in/37hrf1Y #MayoClinicQandA #tcmarathon
Fitnessaware 