The young woman was a healthy and avid runner. Now she could barely walk. Why?

The two bridesmaids — sisters of the bride — walked arm in arm past the seated guests. The older, 35, held tight to the arm of the younger, using that single support to replace the crutches on which she had come to depend

The two bridesmaids — sisters of the bride — walked arm in arm past the seated guests. The older, 35, held tight to the arm of the younger, using that single support to replace the crutches on which she had come to depend

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The young woman was a healthy and avid runner. Now she could barely walk. Why?