When it comes to cancer research, dogs just might be the key to unlock vital clues needed to find a cure.

Veterinarians in central Massachusetts are excited about some recent results and it’s also making for some extremely thankful pet owners.

“They gave me my best friend back and they gave him more time, quality time,” said Edward Sloan, whose dog, Dozer, a 7-year-old bull mastiff, became sick last fall.

“All of sudden he went blind, overnight,” Sloan said. “He was scared.  He was sad.”

Dozer had cancer. …Read full article at CBS Boston

Source: CBS Boston