Depression guideline: why universal screening isn’t recommended

Rates of depression in Canada are rising, but a new CMAJ guideline advises against universal screening in primary care. The Canadian Task Force on Preventive Health Care found no evidence that routinely administering depression questionnaires to all adults improves outcomes and raised concerns about false positives, overdiagnosis, and strain on limited mental health resources.Dr. Eddy Lang, lead author of the guideline and professor of emergency medicine at the Cumming School of Medicine, University of Calgary, explains the rationale behind the Task Force’s recommendation. He describes how the review found no benefit from universal screening in improving depressive symptoms or quality of life and that commonly used questionnaires frequently misidentify patients, generating false positives and false negatives. Lang emphasizes that while physicians should remain attentive to patients’ mental health, questionnaires are not the answer to identifying depression in the general population.Dr. Jennifer Young, a family physician in Collingwood, Ontario, and past president of the Ontario College of Family Physicians, reflects on what this recommendation means for everyday practice. She agrees that routine screening would add little value, pointing out that vigilance and continuity of care already allow family doctors to identify depression through clinical judgment and patient relationships. She underscores that time spent on universal questionnaires could displace care for patients with other pressing needs.For physicians, the key takeaway is clear: be alert to signs of depression, especially in vulnerable patients, but don’t rely on blanket screening tools. Thoughtful conversation, familiarity with patients, and clinical intuition remain the best ways to identify those who need help.For more information from our sponsor, go to medicuspensionplan.comComments or questions? Text us.Join us as we explore medical solutions that address the urgent need to change healthcare. Reach out to us about this or any episode you hear. Or tell us about something you'd like to hear on the leading Canadian medical podcast.You can find Blair and Mojola on X @BlairBigham and @DrmojolaomoleX (in English): @CMAJ X (en français): @JAMC FacebookInstagram: @CMAJ.ca The CMAJ Podcast is produced by PodCraft Productions

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