In this undated photo, Marcia Dunlap gets special leeches for her husband John's nightly treatment from the laundry room where she keeps it out of sight in Memphis, Tenn. Marcia places several leeches on his face in an effort to increase pressure in his left eye. In conjunction with stem cell treatment, the Dunlaps hope that one day John may be a viable candidate for a procedure that could return some of his vision. (Jim Weber/The Commercial Appeal via AP)
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