Neglect of attention to the simple needs of personal hygiene or the mandates of society may range from mere failure to follow the latest whim of fashion to the complete loss of contact exhibited by the catatonic schizophrenic. Standards of neatness demanded for social or business acceptability vary with time and place, but even the most primitive peoples have rigid rules for dress and decorum. Awareness of bodily functions and normal or abnormal processes ranges from the symptom magnification which plagues the neurotic to the control of the stoical person who can suppress both symptoms and reactions to them.
Man in his wild state uses his nails for fighting or foraging; and the attrition is made good by a steady growth replacement. Useful function for toenails has declined since the arboreal days of our evolving ancestors, though the return of stains, paints, and varnishes to the
GRAY CW, BEAN WB. A Note on Long Curved Nails. AMA Arch Derm. 1957;75(1):126–128. doi:10.1001/archderm.1957.01550130128016
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