Alzheimer’s disease: It takes two (proteins) to tango


For years, neuroscientists have puzzled over how two abnormal proteins, called amyloid and tau, accumulate in the brain and damage it to cause Alzheimer’s disease. Which one is the driving force behind dementia? The answer: both of them, according to a new study.

Vulnerability to depression linked to noradrenaline


The team of Bruno Giros, a researcher at the Douglas Mental Health University Institute and professor of psychiatry at McGill, reports the first-ever connection between noradrenergic neurons and vulnerability to depression. This breakthrough paves the way for new depression treatments that target the adrenergic system.