Harvard Health Blog
Knowing when to screen... and when to quit
By: Robert H. Shmerling, MD, Faculty Editor, Harvard Health Publishing Let us sing the praises of good medical screening tests. These are the tests that can detect medical problems before they become untreatable, and before they cause complications or even death. Even better are those screening tests that detect “predisease” — abnormalities that aren’t dangerous on their own but can lead to problems later.