But there is likely a tipping point, concluded the authors of another new study that looked at the cardiovascular health of endurance athletes, when the heart no longer benefits and may even suffer damage.
The first study, by researchers from the University of South Carolina and the Ochsner Health System, in New Orleans, was presented Saturday at the American College of Sports Medicine meeting, in San Francisco. It analyzed the link between running and cardiovascular-related deaths in nearly 53,000 adults. Research presented at medical meetings should be viewed as preliminary until published in a peer-reviewed medical journal.
The participants were between the ages of 20 and 100 and had undergone a medical exam between 1971 and 2003. All were free of heart disease, cancer and...