Ira B Perelle

..It emphasizes two aspects: the lack of agreement on the behavior that indicates to which hand-use group (left or right) an individual belongs, and the reasons for preferring one hand rather than the other for various manual activities...

..Results of recent research in this topic are reviewed, our own findings are presented, and we conclude that there is no logical reason for, nor evidence of, a common aetiology of both hair whorl direction and handedness...