New evidence challenges understanding of Parkinson’s disease 

Published: 17 December 2025

A McGill-led study is challenging a popular theory about how dopamine drives movement, a discovery that could shift how scientists think about Parkinson’s disease treatments. ...

In polar regions, microbes are influencing climate change as frozen ecosystems thaw, McGill review finds 

Published: 26 January 2026

Microbes across Earth’s coldest regions are becoming more active as glaciers, permafrost and sea ice thaw, accelerating carbon release and potentially amplifying climate change, according to a new...

McGill study identifies most effective methods for early detection of tench, an invasive freshwater fish

Published: 21 January 2026

As tench continue to spread through the St. Lawrence River, a study from McGill University provides fisheries managers with guidance on how to detect the invasive species, an essential first step...

Mosquitoes’ feeding tubes make ultrafine 3D-printing nozzles

Published: 22 December 2025

Researchers in McGill’s Department of Mechanical Engineering and at Drexel University have developed an innovative manufacturing technique that makes female mosquito proboscides, or feeding tubes,...

A rich social environment is associated with better cognitive health outcomes for older adults, study finds

Published: 27 January 2026

Research by an interdisciplinary team from McGill University and Université Laval provides new insights into the links between social factors and cognitive health among aging adults....

Findings suggest that certain medications for Type 2 diabetes reduce risk of dementia

Published: 15 January 2026

A large McGill University study has found that two classes of medications commonly prescribed for Type 2 diabetes, both incretin-based, are associated with a reduced risk of dementia....

Do supervised consumption sites bring increased crime? Study suggests that’s a myth

Published: 6 January 2026

Overdose prevention sites and supervised consumption sites in Toronto are not associated with long-term increases in local crime, McGill University researchers have found....

Hippocampus does more than store memories: it predicts rewards, study finds

Published: 29 January 2026

A preclinical study published in Nature has found evidence that the hippocampus, the brain region that stores memory, also reorganizes memories to anticipate future outcomes.

Microencapsulated B-vitamins help dairy cows produce more milk with fewer emissions

Published: 11 December 2025

A new international study led by McGill University in collaboration with Jefo Nutrition shows that supplementing dairy cow diets with microencapsulated B-vitamins can significantly reduce...

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