We want clinical trials to be thorough - but Vinay Prasad, assistant professor of medicine at Oregon Health Science University, argues that the problem of overdiagnosis may be as prevalent, in the way we measure disease in our research, as our practice.

In this podcast he joins us to discuss the problem, and why he thinks what qualifies as disease in clinical trials may be getting so broad that outcomes are becoming less meaningful and harder to interpret.

Read the full analysis:
https://www.bmj.com/content/362/bmj.k3783