Keila Depape

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 University researchers.

A new study reveals unique brain changes in people who use both cannabis and tobacco, offering the first clues to why they may face greater emotional struggles and addiction challenges.

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.

McGill University researchers have identified a brain function that helps explain why childhood stress raises metabolic health risks for some women later in life.

A newly engineered hydrogel shows early promise for treating vocal cord injuries by persisting longer than existing injectable materials.

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

L. to r./g. à d.: Ariane Songa-Côté, Randy Ngalamulume Mukengeshayi & Laury Gueyie

Scientists have long believed that tissue-resident memory T cells—which remain in tissues after an infection has cleared and respond rapidly if the threat returns—are shaped primarily by biochemical signals.