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Exercise: Can There Be Too Much for the Human Heart?

Medical science has long promoted the benefits of exercise for good health.

Fitness instructor Sgt. Joey Chavarria illustrates proper lifting technique during a cross-training class in the gym at the …

Medical science has long promoted the benefits of exercise for good health. But can long-term endurance exercise actually cause damage to the heart? Researchers will try to find out by monitoring a swimmer on a 5,500 journey across the Pacific Ocean.(KERA)

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