Hair and nail growth: an investigation of the role of left- and right-handedness

Summary The rates of scalp hair and finger‐nail growth were measured simultaneously on the two sides of the body. Whilst handedness of the individual influenced the side on which the finger‐nails grew most rapidly, no such influence was found for scalp hair. This finding favours the theory of local...

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Bibliographic Details
Published in:Clinical and experimental dermatology 1983-03, Vol.8 (2), p.129-133
Main Authors: GRIFFITHS, W.A.D., RESHAD, H.
Format: Article
Language:English
Subjects:
Adult
Fingers
Functional Laterality
Hair - growth & development
Humans
Nails - growth & development
Scalp
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Summary:Summary The rates of scalp hair and finger‐nail growth were measured simultaneously on the two sides of the body. Whilst handedness of the individual influenced the side on which the finger‐nails grew most rapidly, no such influence was found for scalp hair. This finding favours the theory of local trauma to the nail plate as the stimulus to rapid growth rather than cerebral dominance.
ISSN:0307-6938
1365-2230
DOI:10.1111/j.1365-2230.1983.tb01756.x