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Canadian Medical Association Journal


Breast cancer: marginalization, lack of primary care provider increase risk of early death from newly diagnosed metastatic cancer

Research in Ontario found that 23% of people with de novo metastatic breast cancer died within 6 months of diagnosis, with factors including older age, chronic illness, and housing marginalization contributing to early death. Access to a primary care provider was associated with lower odds of early death and improved outcomes.

SourceCanadian Medical Association Journal·JournalCanadian Medical Association Journal·TypeObservational study·DateOct 19, 2026

Physicians have disabilities too: New research calls for a more accessible medical workforce

A study published in the Canadian Medical Association Journal found that 5% of practising physicians report disabilities, with mental health, visual, and mobility disabilities being the most common. The research emphasizes the importance of accessible work environments and equitable policies to promote the well-being and retention of p...

SourceCanadian Medical Association Journal·JournalCanadian Medical Association Journal·TypeSurvey·DateOct 13, 2026

Black people at higher risk of severe complications during pregnancy, labor, and postpartum

A new study published in the Canadian Medical Association Journal found that Black people in Canada are at a higher risk of severe maternal morbidity, including life-threatening conditions, compared to White people. The study analyzed data from 1.5 million births and found a 66% increased risk of severe complications among Black people...

SourceCanadian Medical Association Journal·JournalCanadian Medical Association Journal·TypeObservational study·DateOct 5, 2026

When the clocks stop changing: What time is best for health?

A new analysis in the Canadian Medical Association Journal suggests that permanent standard time is the preferred choice for health, as it preserves morning light and aligns with human circadian biology. This can lead to improved sleep, mood, and overall health, particularly for vulnerable populations such as children, adolescents, and...

SourceCanadian Medical Association Journal·JournalCanadian Medical Association Journal·TypeLiterature review·DateOct 5, 2026

Working with engineered stone countertops can lead to silicosis, a lung disease

Working with engineered stone can lead to silicosis, a lung disease, as seen in a 47-year-old man who developed lung nodules after 10 years of exposure. The case highlights the need for regulatory reform, mandatory surveillance, and proactive worker education in industries using engineered stone.

SourceCanadian Medical Association Journal·JournalCanadian Medical Association Journal·TypeCase study·DateSep 21, 2026

Guideline to reduce vaccination distress offers menu of options

The guideline provides new research-based tools and practical strategies to help health system leaders, healthcare providers, and individuals reduce vaccination distress. It emphasizes choosing coping strategies before and/or during vaccination, framed around the CARD system, an evidence-based tool developed by several authors.

SourceCanadian Medical Association Journal·JournalCanadian Medical Association Journal·DateSep 21, 2026

Drug decriminalization in BC reduced police encounters for drug possession, with no changes in drug-related deaths

A 5-year study in BC found that decriminalization reduced police encounters for drug possession by 39% without changes in overdose deaths or hospitalizations. The partial recriminalization period also saw declines in drug-related hospitalizations and overdose deaths, but similar trends were seen in other parts of Canada.

SourceCanadian Medical Association Journal·JournalCanadian Medical Association Journal·TypeObservational study·DateSep 14, 2026

Black people in Canada face barriers to donating much-needed blood

Research reveals systemic racial barriers to blood donation among Black Canadians, rooted in restrictive policies and individual experiences of racism. The study aims to increase awareness and improve communication with Black communities to increase donor representation and meet the need for specific blood types.

SourceCanadian Medical Association Journal·JournalCanadian Medical Association Journal·TypeSurvey·DateAug 24, 2026

Risk of falls, adverse events higher for older adults prescribed sedatives after hospitalization

A new study published in the Canadian Medical Association Journal found that older adults discharged from hospital with a new prescription for sedatives are at increased risk of falls, further need for acute hospital care, and death within 30 days. The study looked at over 1.86 million adults aged 66 years and older and found a 20% hig...

SourceCanadian Medical Association Journal·JournalCanadian Medical Association Journal·TypeObservational study·DateJun 29, 2026

Fatal rabies in a child

A fatal rabies case in an 11-year-old boy underscores the risks of human contact with bats, even without visible bites or scratches. Prompt post-exposure prophylaxis (PEP) is crucial to prevent death from rabies if administered promptly after exposure.

SourceCanadian Medical Association Journal·JournalCanadian Medical Association Journal·TypeCase study·DateJun 29, 2026

Female patients with traumatic brain injury less likely to be admitted to trauma centres

A study published in the Canadian Medical Association Journal found that female patients with traumatic brain injuries are 26% less likely to be admitted to specialized trauma centers than males. This disparity persisted even after adjusting for factors like age, severity of injury, and other health conditions.

SourceCanadian Medical Association Journal·JournalCanadian Medical Association Journal·TypeObservational study·DateJun 15, 2026

Risk of congenital anomalies higher in babies born to mothers with endometriosis

Research in Canadian Medical Association Journal found that babies born to mothers with endometriosis are at a higher risk of congenital anomalies. The study included over 1.4 million births and found an increased risk of cardiovascular, gastrointestinal, genital, and musculoskeletal anomalies as well as neoplasms and tumours.

SourceCanadian Medical Association Journal·JournalCanadian Medical Association Journal·TypeObservational study·DateMay 11, 2026

New Canadian recommendations aim to make screening for alcohol misuse easier

The new recommendations provide a practical approach for clinicians to initiate conversations about alcohol use and identify potential problems earlier. The guidelines update offer easy-to-use tables with tips on reducing alcohol use, helping clinicians focus on patients' unique needs while saving time when circumstances allow.

SourceCanadian Medical Association Journal·JournalCanadian Medical Association Journal·TypeLiterature review·DateMay 4, 2026

Survivors of adolescent, young adult cancers at double the risk of future cancers

Research from Alberta reveals that survivors of adolescent and young adult cancers are at double the risk of developing most types of later cancers. Lymphoma and breast cancer were found to be the most common subsequent cancers after an initial diagnosis, with breast, colorectal, and lung cancers making up 43% of cases.

SourceCanadian Medical Association Journal·JournalCanadian Medical Association Journal·TypeObservational study·DateApr 13, 2026

Preparing Canada’s health system for military conflicts

Canada's health system would bear the burden of medical care in major armed conflicts, and lacks a coordinated command structure and surge capacity. A national framework with three pillars – sustained clinical readiness, dual-use capacity, and formal coordination – is proposed to address this vulnerability.

SourceCanadian Medical Association Journal·JournalCanadian Medical Association Journal·TypeCommentary/editorial·DateMar 30, 2026

New brain–heart guideline takes holistic approach to chronic disease management

The new brain–heart clinical practice guideline provides a holistic approach to managing chronic diseases by integrating neurologic and mental health evidence with cardiovascular guidance. The guideline aims to improve the management of patients with concurrent brain and heart diseases, which often co-occur and share similar risk factors.

SourceCanadian Medical Association Journal·JournalCanadian Medical Association Journal·TypeLiterature review·DateMar 30, 2026

Maternal race and immigration linked to obstetric trauma: higher risk among Asian mothers and Black immigrant/refugee mothers

A large study found that Asian mothers experience a 1.5-fold higher rate of obstetric trauma, while Black immigrant and refugee mothers have a 20-30% higher risk. The study also found that immigrants with shorter duration of residence had higher initial risk of obstetric trauma, which declined with increasing time in Canada.

SourceCanadian Medical Association Journal·JournalCanadian Medical Association Journal·TypeObservational study·DateMar 16, 2026

Extending monitoring period for severe pregnancy complications shows more than 40% of cases previously missed

A study extending pregnancy monitoring from conception to 6 weeks postpartum found nearly 10,000 cases of severe maternal complications in Canada each year. This reveals significant cases were previously missed, emphasizing the importance of postpartum care and timely interventions.

SourceCanadian Medical Association Journal·JournalCanadian Medical Association Journal·TypeObservational study·DateMar 16, 2026

Doubling of new prescriptions for ADHD medications among adults since start of COVID-19 pandemic

New prescriptions for stimulants among adults with ADHD more than doubled since the COVID-19 pandemic, with the largest increases among younger adults. The trend is driven by improved recognition and treatment of ADHD in adulthood, as well as increased access to care and virtual health services.

SourceCanadian Medical Association Journal·JournalCanadian Medical Association Journal·TypeObservational study·DateMar 9, 2026

Admissions for child maltreatment decreased during first phase of COVID-19 pandemic, but ICU admissions increased later

Hospital admissions for child maltreatment declined by 31% during the initial lockdown of the COVID-19 pandemic but rebounded to pre-pandemic levels after restrictions were lifted. However, rates of admission to intensive care units (ICUs) increased by 80% after the 16-week period of restricted healthcare access.

SourceCanadian Medical Association Journal·JournalCanadian Medical Association Journal·TypeObservational study·DateFeb 17, 2026

How to “green” operating rooms: new guideline advises reduce, reuse, recycle, and rethink

A new guideline published in CMAJ advises hospitals to implement 21 recommendations to increase environmental sustainability in operating rooms. The guidelines include reducing energy use, using reusable devices, developing recycling programs, and rethinking disposal of unused supplies.

SourceCanadian Medical Association Journal·JournalCanadian Medical Association Journal·TypeLiterature review·DateFeb 9, 2026

Psychosis rates increasing in more recent generations

A large study of over 12 million people in Ontario found that psychosis rates are increasing in more recent generations, with higher rates among younger individuals. The study suggests that factors such as substance use, socioeconomic stress, and negative childhood experiences may contribute to these rising trends.

SourceCanadian Medical Association Journal·JournalCanadian Medical Association Journal·TypeObservational study·DateFeb 2, 2026

Can Canada’s health systems handle increased demand during FIFA World Cup?

A recent editorial cautions that Canada's health systems may struggle to cope with the influx of patients during the upcoming FIFA World Cup. The article highlights concerns about overburdened hospitals and emergency departments, as well as the need for a national plan to bolster capacity and train personnel.

SourceCanadian Medical Association Journal·JournalCanadian Medical Association Journal·TypeCommentary/editorial·DateJan 19, 2026

How do health care professionals determine eligibility for MAiD?

Healthcare professionals in Canada assess applicants for medical assistance in dying (MAiD) using a careful and individualized approach. They consider the patient's life circumstances, support networks, and personal preferences when determining eligibility. The assessment process is often legally and morally complex, requiring provider...

SourceCanadian Medical Association Journal·JournalCanadian Medical Association Journal·TypeSurvey·DateJan 12, 2026

Canada’s reduced pledge to Global Fund will impact domestic health

A reduced pledge by Canada to the Global Fund could lead to decreased success in controlling tuberculosis and HIV/AIDS in the country. The authors of an editorial urge Canada's government to invest in improving social determinants of health and implement disease-specific suggestions to address these pressing global health issues.

SourceCanadian Medical Association Journal·JournalCanadian Medical Association Journal·TypeCommentary/editorial·DateDec 15, 2025

1 in 4 children with major traumatic injuries not cared for in pediatric trauma centres

Research shows that 77% of severely injured children are transported or transferred to pediatric trauma centers, highlighting the need for improved access and evidence-based strategies. Variability in access exists across Canadian provinces, with some areas having higher access than others.

SourceCanadian Medical Association Journal·JournalCanadian Medical Association Journal·TypeObservational study·DateDec 15, 2025

Fertility preservation for patients with cancer

A case study in CMAJ describes successful ovarian tissue preservation in a young woman with Hodgkin lymphoma, highlighting the need for improved access to fertility preservation services. The 'hub-and-spoke' model presented offers a potential solution to overcome geographical barriers and improve patient outcomes.

SourceCanadian Medical Association Journal·JournalCanadian Medical Association Journal·TypeCase study·DateNov 17, 2025

Physician responses to patient expectations affect their income

A qualitative study found that physician responses to patient expectations contribute to pay gaps among Canadian physicians, particularly women, racialized, and immigrant physicians. Researchers suggest adjusting compensation models for extra time required for certain care types and examining fee schedules for underpaid services.

SourceCanadian Medical Association Journal·JournalCanadian Medical Association Journal·TypeObservational study·DateNov 17, 2025

Can risk prediction tools identify patients at risk of overdose or death after “before medically advised” hospital discharge?

Researchers developed two risk prediction models to estimate the risk of death and illicit drug overdose in patients discharged against medical advice. Multimorbidity, heart disease, cancer, homelessness, and opioid use disorder were strong predictors of death and overdose, respectively.

SourceCanadian Medical Association Journal·JournalCanadian Medical Association Journal·TypeComputational simulation/modeling·DateNov 11, 2025

Caution advised with corporate virtual care partnerships

Provincial partnerships with corporate-provided virtual care programs raise concerns about access, quality of care, and data privacy. Governments must ensure healthcare standards are met, protect patient data, and maintain transparency around contracts and profits. The authors advise caution before introducing corporate entities in the...

SourceCanadian Medical Association Journal·JournalCanadian Medical Association Journal·TypeLiterature review·DateNov 3, 2025

Longer distances to family physician has negative effect on access to health care

A study of almost 10 million patients in Ontario found that those living over 30 km from their family physician were more likely to visit the emergency department for nonurgent reasons and had fewer visits with a family physician. The distance also negatively impacted preventive screening for certain cancers.

SourceCanadian Medical Association Journal·JournalCanadian Medical Association Journal·TypeObservational study·DateNov 3, 2025