Of course it is. That's why it's published now and any evidence is cited from 2004[1] and 2016[2]. [1] http://www.nature.com/news/2004/041129/full/news041129-4

Of course it is. That's why it's published now and any evidence is cited from 2004[1] and 2016[2]. [1] http://www.nature.com/news/2004/041129/full/news041129-4.html http://www.nature.com/news/2004/041129/full/news041129-4.htm... [2] https://www.theguardian.com/society/2016/nov/02/a-decade-of-deadlock-over-alzheimers-treatment-may-be-drawing-to-a-close https://www.theguardian.com/society/2016/nov/02/a-decade-of-...