Horizon investigates a new era of Alzheimer's research. New scanning and gene technology is allowing scientists to identify the disease at its earliest stages. Show more
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Horizon investigates a new era of Alzheimer's research. New scanning and gene technology is allowing scientists to identify the disease at its earliest stages. Show more
BBC Two is a lively channel of depth and substance, carrying a range of knowledge-building programming complemented by great drama, comedy and arts.
