A new study which compiles information from multiple databases determines that cancer death rates have dropped 27 percent since 1991, according to a peer-reviewed medical journal.

A new study which compiles information from multiple databases determines that cancer death rates have dropped 27 percent since 1991, according to a peer-reviewed medical journal. https://t.co/nmHXEnwQle pic.twitter.com/4B5lqg3QdT

— Nightline (@Nightline) January 9, 2019