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  1. Professional Cyclist Jan Polanc (31) retires due to Heart Problems

    Professional Cyclist Jan Polanc (31) retires due to Heart Problems

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  2. STEPHEN PHINNEY i1 | ENDRUANCE ON HIGH FAT: cyclists, high fat low carb, performance remained HIGH

    STEPHEN PHINNEY i1 | ENDRUANCE ON HIGH FAT: cyclists, high fat low carb, performance remained HIGH

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  3. Another Cyclist collapses and Dies - Mark Groeneveld (20) - Suspected Heart Attack

    Another Cyclist collapses and Dies - Mark Groeneveld (20) - Suspected Heart Attack

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  4. STEPHEN PHINNEY t3 | …moderate exercise DECREASES METABOLIC RATE

    STEPHEN PHINNEY t3 | …moderate exercise DECREASES METABOLIC RATE

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