1971 Press Photo Larry and Denise Swier in their Sioux Falls, SD home

Larry Swier, 22, and his wife Denise, 19, chat in their Sioux Falls, SD home. Larry has thus far shown no sign of his family's inherited genetic disease and the young couple hopes he will be one of the lucky ones and be spared. Medical experts say young family members like Larry have a 50-50 chance of getting the illness, which has proved fatal in every case.

Photo is dated 1971.

Photo measures 8 x 10.5 inches.