Anaplasmosis is the second most common tick-borne disease in Canada, with rapidly rising incidence owing to the expanding ...

Recommendation The Canadian Task Force on Preventive Health Care recommends against instrument-based depression screening using a questionnaire with cut-off score to distinguish “screen positive” and ...

CMAJ (Canadian Medical Association Journal) is a peer-reviewed general medical journal that publishes original research, commentaries, analyses and reviews, clinical practice updates and ...

Chlamydia trachomatis and Neisseria gonorrhoeae are the most commonly reported sexually transmitted bacterial infections in Canada and can cause complications including pelvic inflammatory disease, ...

Study sample The study sample was drawn from a database used in a previous study 14 containing information on 892 613 Quebec residents aged 65 years or more on Jan. 1, 2000, who had at least 1 medical ...

Pregnant people with measles are at higher risk of pneumonia, hepatitis, and hospitalization and have a 10-fold higher risk of death than those who are not pregnant.1 Infection also increases the risk ...

Background:Emergency department visits and hospital admissions for opioid toxicity are opportunities to initiate opioid agonist therapy (OAT), which reduces morbidity and mortality in patients with ...

Several well-conducted randomized controlled trials with long follow-up showed that sunscreen use reduces the risk of squamous cell and melanoma skin cancers. Commercial sunscreens protect against the ...

Lisa D. Burry, Louise Rose, Ruxandra Pinto, David R. Williamson, Andrea Hill, Damon Scales, Susan E. Bronskill, Robert Fowler, Lisa Dolovich, Longdi Fu, Chaim M. Bell ...

Eustachian tube dysfunction leads to inadequate ventilation of the middle ear It is caused by inflammation or narrowing of the eustachian tube, which leads to aural fullness and muffled hearing ...

Pulmonary embolism (PE) occurs when a venous thrombus becomes lodged in lung arteries, causing impairment in oxygenation, ...

CMAJ June 01, 2026 198 (21) E821-E830; DOI: https://doi.org/10.1503/cmaj.250777 ...