TORONTO — Health Canada has authorized a drug shown to slow the progression of Alzheimer's disease.

TORONTO — Health Canada has authorized a drug shown to slow the progression of Alzheimer's disease.

TORONTO — Health Canada has authorized a drug shown to slow the progression of Alzheimer's disease.

TORONTO — Health Canada has authorized a drug shown to slow the progression of Alzheimer's disease.

TORONTO — Health Canada has authorized a drug shown to slow the progression of Alzheimer's disease.

TORONTO — Health Canada has authorized a drug shown to slow the progression of Alzheimer's disease.

TORONTO — Health Canada has authorized a drug shown to slow the progression of Alzheimer's disease.

Health Canada has authorized a drug shown to slow the progression of Alzheimer’s disease....

Health Canada has authorized a drug shown to slow the progression of Alzheimer’s disease....

More than 5000 steps a day could protect the brain from faster cognitive decline in people at risk of Alzheimer’s disease, researchers have found.