The tetrahydrocannabinol (THC) content of cannabis has roughly quintupled in the past 2 decades, from around 4% in the 2000s to more than 20% in most legal dried cannabis in Canada by 2023.[1][1] The ...

See related article at In this issue of CMAJ , Laura MacGregor describes her harrowing experience of seeking restitution following her son’s birth injury, which had left him with severe neurologic an ...

An 86-year-old man presented to the emergency department with fever, headache, nuchal rigidity, and restricted neck rotation that developed 2 weeks after tooth extractions. He had received cefcapene ...

See related article at When I tell the story of my son’s birth, people are often surprised that I am not angry with the physician who wielded the forceps at his delivery, asphyxiating him and causing ...

Obesity affects 8%–12% of pregnancies 1 A pre-pregnancy body mass index (BMI) of 30 kg/m 2 or greater is linked with an increased risk of adverse outcomes in pregnancy. 1 The risk of preeclampsia ...

KEY POINTS The Ontario Superior Court of Justice recently determined that, under both Ontario’s health care consent legislation and common law, physicians do not require consent to withhold ...

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 ...

Iron deficiency and iron deficiency anemia are common during pregnancy and are associated with adverse outcomes Prenatal iron deficiency occurs in more than 30% of pregnancies in Canada. 1 It has been ...

KEY POINTS Acute aortic syndrome (AAS) is a life-threatening emergency, accounting for 1/2000 presentations of acute chest or back pain to the emergency department.[1][1] It is a clinical spectrum of ...

Background: The relation between emergency department opioid prescribing and subsequent harm is complex and poorly studied. We sought to quantify adverse outcomes, incremental risk, and rates of ...

BACKGROUND: Food insecurity affects 1 in 8 households in Canada, with serious health consequences. We investigated the association between household food insecurity and all-cause and cause-specific ...

KEY POINTS Public awareness regarding the importance of disclosing and managing conflicts of interest (COIs) during the development of clinical practice and public health guidelines is growing, owing ...