![Biogen Halts Studies of Closely Watched Alzheimer's Drug, a Blow to Hopes for New Treatment](http://news.littlecdn.com/600x360/1553284265_5c953ca94add7.jpeg)
Biogen Halts Studies of Closely Watched Alzheimer's Drug, a Blow to Hopes for New Treatment
Trial failure raises doubts about amyloid as a target for drug development-- Read more on ScientificAmerican.com
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