An old philosophic debate: Just because we can do something, should we? For older people that translates into: just because we can test for a condition or disease, is it always necessary to do so? According to a recent piece in Kaiser Health News, the answer may be decidedly no. While diagnostic tests are invaluable for catching and treating diseases in their early stages, for older patients, the burden of such testing- including anxiety, expense and invasive interventions- may outweigh whatever benefits come from the discovery, especially if the cancer found, for example, is slow growing and unlikely to cause serious problems. In fact, a new Task Force on Low Value Care has just put out a list that includes screening tests that should be foregone in older patients. Moreover, too much screening among certain populations may actually be skewing our understanding of risk factors associated with certain diseases. So before you blindly agree to that next routine screening exam, take a moment to Read Here.