Abstract
A retrospective study over a three-year period has shown a noticeable seasonal variation in the daily urinary excretion of calcium in healthy men, healthy women, and men prone to form stones. This reached a maximum in July or August and a minimum in December or January in all three groups. For any given month the stone formers had higher urinary calcium values than healthy men, who, in turn, had higher values than healthy women.
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Selected References
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- Aaron J. E., Gallagher J. C., Nordin B. E. Seasonal variation of histological osteomalacia in femoral-neck fractures. Lancet. 1974 Jul 13;2(7872):84–85. doi: 10.1016/s0140-6736(74)91640-7. [DOI] [PubMed] [Google Scholar]
- Bulusu L., Hodgkinson A., Nordin B. E., Peacock M. Urinary excretion of calcium and creatinine in relation to age and body weight in normal subjects and patients with renal calculus. Clin Sci. 1970 May;38(5):601–612. doi: 10.1042/cs0380601. [DOI] [PubMed] [Google Scholar]
- Davis R. H., Morgan D. B., Rivlin R. S. The excretion of calcium in the urine and its relation to calcium intake, sex and age. Clin Sci. 1970 Jul;39(1):1–12. doi: 10.1042/cs0390001. [DOI] [PubMed] [Google Scholar]
- FALES F. W. EVALUATION OF PROCEDURES FOR URINARY CALCIUM. Clin Chem. 1964 Jun;10:549–558. [PubMed] [Google Scholar]
- Kodicek E., Lawson D. E., Wilson P. W. Biological activity of a polar metabolite of vitamin D. Nature. 1970 Nov 21;228(5273):763–764. doi: 10.1038/228763a0. [DOI] [PubMed] [Google Scholar]
- McLaughlin M., Raggatt P. R., Fairney A., Brown D. J., Lester E., Wills M. R. Seasonal variations in serum 25-hydroxycholecalciferol in healthy people. Lancet. 1974 Mar 30;1(7857):536–538. doi: 10.1016/s0140-6736(74)92717-2. [DOI] [PubMed] [Google Scholar]
- Morgan D. B., Rivlin R. S., Davis R. H. Seasonal changes in the urinary excretion of calcium. Am J Clin Nutr. 1972 Jul;25(7):652–654. doi: 10.1093/ajcn/25.7.652. [DOI] [PubMed] [Google Scholar]
- Omdahl J., Holick M., Suda T., Tanaka Y., DeLuca H. F. Biological activity of 1,25-dihydroxycholecalciferol. Biochemistry. 1971 Jul 20;10(15):2935–2940. doi: 10.1021/bi00791a022. [DOI] [PubMed] [Google Scholar]
- Stamp T. C., Round J. M. Seasonal changes in human plasma levels of 25-hydroxyvitamin D. Nature. 1974 Feb 22;247(5442):563–565. doi: 10.1038/247563a0. [DOI] [PubMed] [Google Scholar]