Simon Fraser University

Ultraprocessed Food Intake and Adiposity, Vascular Brain Injury, and Cognition in Middle-Aged Adults

Importance Ultraprocessed foods (UPFs) account for a substantial and increasing proportion of dietary intake in Canada. Although UPFs are consistently associated with adiposity and cardiometabolic disease, their associations with subclinical vascular brain injury (VBI) and cognit...

Sex work or male-with-male sexual activity and the risks of HIV and hepatitis C acquisition among people who inject drugs: a global systematic review and meta-analysis

Background People who inject drugs (PWID) may engage in sexual behaviours that increase their HIV and hepatitis C virus (HCV) risk, including sex work and male-with-male sexual activity. We undertook a global systematic review to assess whether PWID who engage in these behaviours...

Combined Effects of Sports Bra Support and Running Shoe Cushioning Influence Breast and Running Biomechanics in Female Runners

Background: Sports bras play a critical role in running, with implications for breast discomfort, pain, performance, potential injury risk, and exercise participation for many women. While breast movement has been analyzed across support levels, most studies focus on discrete tim...

HIV transmission behaviors, detectable HIV-RNA and curable STI prevalence among Ugandan men with HIV with reproductive goals, with and without infertility experiences

Many men with HIV (MWH) want children. MWH with unmet reproductive goals may prioritize conception over preventing HIV/STI transmission. Therefore, we evaluated whether MWH with unmet versus met reproductive goals were more likely to have detectable HIV-RNA or STIs, and explored...

Antarctic sea ice over the past 130 000 years – Part 2: A review of its role in the Earth system

Abstract. Antarctic sea-ice cover reached historically low levels in 2023, consistent with the simulated decrease in sea-ice extent in response to anthropogenic warming. Antarctic sea ice is closely linked to multiple components of the Earth system, thus its demise could precipit...

Psychometric Properties of the French Version of the Provider Co-Management Index-RN

Background Strengthening primary care through team-based models is a global priority as strong primary care systems are consistently associated with improved outcomes. The Provider Co-Management Index for Registered Nurses (PCMI-RN) is a validated instrument measuring co-manageme...

Voice-First Mental Health Care for Older Adults in Africa

This Viewpoint proposes voice-first systems as a design hypothesis warranting priority development and evaluation to support mental health care for older adults in Africa.

Economies of Scale to Consumption in Collective Households

ABSTRACT Browning et al. (2013) model collective‐household economies of scale in goods consumption by having each good be partly shared, instead of each good being public or private. We modify their model to achieve simple point identification and estimation of the economies of s...

Switching Reactivity With Light: C─P Bonding Controls Singlet Oxygen Generation and Reactivity in Dimethyldihydropyrene‐Cyclophanediene (DHP‐CPD) Photoswitches

The dimethyldihydropyrene photochromic system is a 14π-electronic framework that switches to a less-aromatic, nonplanar system under visible light. In this work, we unravel a neutral phosphorus heteroatom-appended dimethyldihydropyrene (DHP) photoswitchable system that acts as a...

Reconsidering the Alberta study of the closure of the Red Deer supervised consumption site

Supervised consumption sites (SCS) are interventions supported by decades of evidence and yet remain subject to considerable politicization. Recently, researchers from Alberta, Canada published a study in the journal Addiction that sought to assess the impacts of the closure of a...

Encampment sweeps and persistent homelessness among unhoused people who use drugs in Vancouver, Canada: A prospective cohort study

Background Housing is a key determinant of health. In response to increasingly visible homelessness amid a growing housing crisis, many jurisdictions in North America forcibly displace unhoused people from public spaces, routinely confiscating their personal belongings. While pri...

Ocean dynamics amplify remote warming effects of reforestation

Forestation, including reforestation, afforestation, and forest restoration, is prevalent in net-zero climate strategies due to the large carbon sequestration potential of forests. In addition to capturing carbon, forestation has biogeophysical effects that can influence surface...

The persistence and predictability of policy tool use: Policy styles and the tools of government

Abstract The relationship between “policy tools” and “policy styles” in literature is often implicit, resting on the assumption that governments’ characteristic ways of doing business shape their tool choices, without clarifying what a “style” is or how it connects to those choic...

Superheavy atoms and molecules with occupied 5g spinors—Ubh (Z = 126) and UbhF

All-electron fully relativistic calculations, including electron correlation at the 4-component coupled cluster level of theory, have been carried out on the diatomic fluoride of element 126, UbhF, as well as Ubh and Ubh+. Using large Gaussian basis sets at the CCSD(T) level of t...

To fly and protect: contextualizing the work of police helicopter units via observational methods

Purpose Helicopter units operate within many large police agencies in North America. Little research, however, has studied the practices of police helicopter units. As part of the present research, I empirically explore the operational realities of helicopter units using observat...

Performative Gratitude – A Barrier to Understanding the Needs of Older Migrants Experiencing Homelessness in Canada

BACKGROUND: Canada's aging population faces a growing homelessness crisis, affecting groups such as older migrants. Older migrants experiencing homelessness may encounter intersecting forms of housing precarity, exclusion, and marginalization that shape their relationships with t...

A review of policy actions implemented during a toxic drug public health emergency in British Columbia, Canada (2016–2024)

Background During a decade-long public health emergency, driven by a highly unpredictable unregulated drug supply, drug toxicity remains the leading cause of unnatural death in British Columbia (BC), Canada. In response, the province implemented a multi-faceted approach to preven...

Talkoot commons: Advancing more-than-English commoning for sustainability transitions in cities

If taking back the commons is key to meaningful urban sustainability transitions, what does multilingual study of commons practices tell us about how to achieve this? Our research presents a case study of the Finnish concept of talkoot to specify five place- and situation-specifi...

Consensus-Based Definitions for Vocal Biomarkers: The International VOCAL Initiative.

Introduction: Voice-based health technologies are growing rapidly, but they lack standardized terminology, which hinders interdisciplinary collaboration, research quality, and clinical translation. The objective of this work was to develop universally accepted definitions in the...

Might cannabis Legalization Have Affected Public Health-Relevant Alcohol- and Tobacco-use Outcomes in Canada?

Canada legalized the non-medical use and supply of cannabis in 2018. The public health-relevant outcomes of cannabis legalization documented to date have been mixed, with decreases in cannabis-related crime and illegal distribution markets, while with increases for many – acute a...