The way you walk could be an early sign of Alzheimer's

Subtle changes in the way a person walks can be an early warning sign of Alzheimer's disease.

The findings are the first to link a physical symptom to the disease, which up until now required doctors to begin a diagnosis with lengthy neurological exams.

In the study, doctors found people with a slower pace and shorter stride experienced significantly larger declines in memory and cognitive function.

Walking changes occur because the disease interferes with connections between areas of the brain.

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