The article cites multiple scientific research studies to demonstrate that physicians do not continually update how they practice medicine as the research changes over time. The article particularly focuses on physician's persistent use of outdated medical processes and procedures that are potentially dangerous and costly.
"This overuse doesn’t provide a benefit. It can lead to harms. It can also cost a lot of money.
The public shares some culpability. Americans often seem to prefer more care than less. But a lot of it still comes from physicians, and from our inability to stop when the evidence tells us to.....Physicians have a hard time unlearning what they have learned, even when there’s newer and better science available. "