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Twin study shows that genetic factors influence the development and timing of Alzheimer's disease

BMJ 2006; 332 doi: (Published 09 February 2006) Cite this as: BMJ 2006;332:324
  1. Susan Mayor
  1. London

    Alzheimer's disease seems to be highly heritable, and genetic factors may also influence the timing of the disease, concludes a large study of twins published this week.

    The study involved 11 884 pairs of twins aged 65 years or older in the Swedish twin registry, including 392 pairs in which one or both members had Alzheimer's disease (Arch Gen Psychiatry 2006;63:168-74). All individuals were screened for cognitive dysfunction. Participants with suspected dementia …

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