The researchers admitted that a homicide rate that includes executions and gang murders is probably not an accurate measure of one-to-one fights in society, but it was the best measure available. The study is published on-line today by the journal Molecular Psychiatry.
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Whilst this is an interesting hypothesis, the size and nature of the study do, as pointed out by Dr Chris McManus, undermine its credibility and a more controlled study on a far wider range of societies would be most welcome, to provide more reliable results.
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HQ Sex Tubes Researchers at Oxford University find gene for left-handedness Higher breast cancer risk among left-handed women The loneliness of the left handed surgeon Left-Handers — Nature's Fighters?
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