Robert K. O'Daniell
Patricia Snider of Champaign and other research subjects stretch at the beginning of an exercise session at the University of Illinois Campus Recreation Center. Snider is one of the subjects in a yearlong study of the impact of exercise on a varietey of aging-related conditions.
John Goin became a human guinea pig at the urging of his wife.
The retired dentist from Champaign played a little golf and worked in his yard, but Shirley Goin thought he could use more exercise.
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