DAVID B. HOGAN, M.D.; SUSAN MCNAIR, B.A.; JOCELYN YOUNG, B.A.; RICHARD G. CRILLY, M.D.
To the editor: For many years, the rate of nail growth has been of interest to persons as different as William Osler and, possibly, Samuel Johnson (1). In humans, nail growth is known to slow with increasing age (1, 2), and other physiologic or pathologic processes have been stated to either slow (acute infections, immobilization, ischemia) or speed (psoriasis, hyperemia, warm environment, nail biting, pregnancy) nail growth (1). An area of personal interest is the relationship of metabolic bone disease and nail growth.
Empirically, we have noted that postmenopausal women being treated with calcium for osteoporosis claim that their nails
HOGAN DB, MCNAIR S, YOUNG J, CRILLY RG. Nail Growth, Calcium, and Vitamin D. Ann Intern Med. ;101:283. doi: 10.7326/0003-4819-101-2-283_1
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Published: Ann Intern Med. 1984;101(2):283.
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