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Why Too Much Exercise May Harm Your Heart, and What Science Tells Us About the Ideal Amount and Type of Exercise

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  • Extended extreme cardio sets in motion inflammatory mechanisms that damage and prematurely age your heart. To protect and optimize your heart health, focus on walking and high intensity interval exercises instead
  • The “Goldilocks zone” in which exercise produces the greatest benefit for longevity is 450 minutes of moderate exercise per week, lowering your risk of early death by 39 percent
  • If you enjoy running, an ideal amount is 10 to 15 miles per week, divided up into 30-minute runs, two to five days a week. Exercise is one of the most potent stimulants to increase your mitochondria and longevity

By Dr. Mercola

Few people would ever consider pushing the limits of their endurance like Ben Lecomte, the first person to swim across the Atlantic Ocean. Now he's planning to swim across the Pacific Ocean, from Tokyo to San Francisco — a wet and lonely 5,500-mile journey that will take about five or six months to complete.

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