Genealogy certainly matters for multifactorial genetic disease

doi:10.1136/bmj.319.7209.578b

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Augustine Kong, director of statistical genetics (jgulcher@decode.is),
Jeff Gulcher, vice president of research and development,
Kari Stefansson, chief executive officer

Decode Genetics, Lynghals 1, Reykjavik, Iceland 110 (Augustine Kong)

EDITOR—We have some difficulties understanding Edwards's letter about the genetic mapping in Iceland.1 His first paragraph suggested that it was not about ethical or political issues, but the last paragraph was. His collaborations with some of our local critics who have been doing research on the genetics of schizophrenia may explain this.

What is clear, however, is that Edwards takes the rather narrow view that genealogical information is useful only for diseases that can be …