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.

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. ...

Study links early cannabis use and health problems

Published: 28 October 2025

Adolescents who start using cannabis early and often are more likely to need health care for both mental and physical problems as they enter adulthood, according to a new study led by McGill...

Lesser-known eating disorder just as severe as anorexia and bulimia, study finds

Published: 12 November 2025

A diagnosis often viewed as less serious than anorexia and bulimia – and the most common eating disorder worldwide – can cause just as much harm, a new study has found. 

Heavy cannabis use during pregnancy linked to disruption in brain growth

Published: 18 November 2025

McGill University researchers at the Douglas Research Centre have found evidence that heavy cannabis use during pregnancy can cause delays in brain development in the fetus that persist into...

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