At 17, Kyle Bryant was diagnosed with Friedreich's ataxia. The rare inherited disease causes nervous-system damage and movement problems. Bryant has symptoms of scoliosis and diabetes, and he experiences vision impairment, hearing loss and life-shortening heart complications. There is no cure for Friedreich's ataxia. Nonetheless, 30-year-old Bryant comes to CrossFit King of Prussia in Bridgeport, Pa., twice a week.
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