Golden retriever pups needed for dog-cancer study

POSTED: 05:00 PM MST Feb 28, 2013    UPDATED: 10:56 PM MST Feb 28, 2013 

Burying a dog can be one of the hardest things in life to do. A new Colorado study is trying to determine if there's a way man's best friend can live longer by tackling a common dog-killer, cancer.