North Star Theory

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Is tart cherry juice worth it?

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Worth it for one job: recovering fast between efforts over a few days, like a tournament or race block. Pooled studies show a small drop in soreness and a moderate lift in strength and power recovery. Taken daily it may blunt training adaptation, and the juice brings sugar and cost.

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Should you exercise when you're sick?

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The neck check is not a validated exercise-clearance test. A study of one cold virus cannot establish that training is safe for your illness. Avoid training with fever and seek appropriate advice for concerning symptoms.

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