Nihal Arthanayake meets Martine McCutcheon. Plus a man who researchers say, could be carrying a cure for a rare form of Alzheimers which killed several members of his family. Show more
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Nihal Arthanayake meets Martine McCutcheon. Plus a man who researchers say, could be carrying a cure for a rare form of Alzheimers which killed several members of his family. Show more