ON SCREENING

By Dr. Zachary Levine

SCREENING TESTS are emotional and controversial. They are done to detect the risk of health disorders or diseases in people who do not have any symptoms of disease, such as cancers, cognitive impairment (early dementia) and diabetes. In my years of practice, I have seen people who have been saved by screening tests not currently recommended by the Canadian Task Force on Preventive Health Care (CTFPHC), and I have also seen healthy people have significant morbidity, even death, as a result of invasive testing performed as a result of a positive screening test. According to Dr. Brett Thombs, Chair of the Canadian Task Force on Preventive Health Care, “Overdiagnosis, which is different from false positive or false negative screens, is the most concerning harm for the task force.” Screening tests…

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Zoomer (Digital) - 1 Issue, March 2019

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