Mulinos, Michael G.; Kadison, Ellen D.
April 1965
Angiology;Apr1965, Vol. 16 Issue 4, p170
Academic Journal
Electrical impedance fluctuations were recorded by the 2-electrode instruments at 50-kc frequency, using the middle finger of the bands of normal subjects. Impedance measurements following the drinking of 7.0 gm of gelatin in water were made and compared to records obtained after the drinking of 7.0 gm of starch in water or of plain water, by the same subjects. The changes in impedance between these procedures were interpreted as indicating a lowered vascular tone following the gelatin. Literature is cited which suggest the established specific dynamic action of the gelatin as a possible cause for the change. It is not possible at this time to state that this daily reduction in vascular tone for several hours was sufficient to account for the effectiveness of gelatin in clearing up the brittle nail. This decision would have to await the discovery of the causes for the brittle nail, and the chronic vasoconstriction at the nail bed may be one of them. It is possible that the gelatin corrects a deficiency in one or more amino acids necessary for proper nail growth. There is no proof that such is the case, yet it has been established that blood metabolites can reach the fingernails directly, should the need arise.


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