KAMC’s Avery Travis and Alex O’Brien try to figure out the facts from the fibs in Tuesday’s health news.

Fact or fib? Researchers have now fully confirmed the effectiveness of medical marijuana.

Fact or fib? Arthritis is now more prevalent than it was before WWII.

Fact or fib? Researchers say there is no such thing as being “fat-but-fit.”

Watch the associated video for the answers.