Nearly all Alzheimer's drugs fail, researchers say; Walking may help Parkinson's

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Nearly all Alzheimer's drugs fail, researchers say; Walking may help Parkinson's

by CBSTV Videos 1:12 mins

Nearly all Alzheimer's drugs fail, researchers say; Walking may help Parkinson's

by CBSTV Videos 1:12 mins

The Cleveland Clinic released a study which found that 99 percent of all Alzheimer's drugs developed in the past decade have failed. Plus, a simple way to improve Parkinson's symptoms. Danielle Nottingham reports on the day's top health headlines.

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