1990 Press Photo Boon a 6-year-old German shepherd jumps for a frisbee.

A dog's life" from fat to fit - UW reseachers have taken a few paunchy pooches and turned them into lean, mean biting machines like Boon, who used to be too fat to run and play. This isn't just a tale for dogs, either. It may be a boon to people, too. Boo

Photo is dated 1990.

Photo measures 8.75 x 7.5 inches.

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