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Training isn't just all physical for Olympians, it's mental too

Everything from ice baths to confronting fears, Nightline on Fusion talks to an Olympic fencer whose unconventional training is for mental toughness.

Training isn't just all physical for Olympians, it's mental too

Everything from ice baths to confronting fears, Nightline on Fusion talks to an Olympic fencer whose unconventional training is for mental toughness.

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