There’s a good reason you’ve never heard of the fabella, a tiny bone embedded in the tendon of the knee. The impact of the increase is unclear, mainly because the fabella’s impact on the human body is unclear, too. Dr. Michael Berthaume, the study’s lead, happened upon the surprising prevalence of the bone almost by accident. “It was supposed to be a quick prevalence rate study,” Berthaume said. “There are a lot of different ways in which these changes could have occurred, and there are different environmental factors,” Berthaume said.

Source: National Post April 24, 2019 19:18 UTC