Research Briefs

Sex-specific autonomic signatures of tonic pain

The subjective experience of pain varies drastically between people, but subjective measures of pain correlation provide an important understanding of its underlying mechanisms. Emerging literature on pain points to a relationship between muscle sympathetic nerve activity (MSNA)—a measure of how active the sympathetic nervous system is while signalling blood vessels[Read More…]

Trust your gut: How your gut microbiota uses the foods you eat to prevent disease

Hidden deep within the human digestive tract lies a dynamic and complex population: The gut microbiota, a community of over 100 trillion microbial cells that influence the body far beyond digestion. Consisting of bacteria, viruses, eukaryotes, and archaea, a diverse microbiota has been shown to have many beneficial health effects,[Read More…]

Designing culturally safe interventions in obstetrics

Sept. 28, 2025, marks five years since the death of Joyce Echaquan, a 37-year-old Atikamekw woman who died of pulmonary edema—fluid accumulation in the lungs—due to medical negligence in a northern Montreal hospital, Centre Hospitalier de Lanaudière. Joyce livestreamed the persistent mistreatment and discrimination she endured while seeking medical attention,[Read More…]

New scoping review maps Indigenous harm reduction, barriers, and gaps

Indigenous Peoples across North America and Oceania experience higher rates of drug-related harm than other populations. These harms are shaped both by the historical and ongoing impacts of settler colonialism. While Indigenous Peoples in these regions are often willing to access health services that reduce the risks of drug use,[Read More…]

Investigating the link between sex-dependent gene expressions and major depressive disorder

Why do women experience major depressive disorder (MDD) at nearly twice the rate of men in the post-puberty stage? During this critical stage, MDD manifests in a sex-specific way in its prevalence, symptomatology, and treatment responses when comparing males and females. In a recent publication in Brain, Behaviour, and Immunity,[Read More…]

Cracking the honesty code: Key techniques for encouraging honesty in children

Honesty is a crucial foundation for relationships and cooperation. In early childhood education, helping children recognize the importance of honesty is fundamental.  Victoria Talwar, professor in McGill’s Department of Educational and Counselling Psychology and lab director of the Talwar Child Development Research Lab, recently published a paper in Developmental Psychology[Read More…]

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