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Table representation of search results timeline featuring number of search results per year.

Year Number of Results
1805 1
1898 1
1937 1
1946 1
1948 2
1952 1
1953 4
1954 1
1955 2
1956 1
1957 1
1958 1
1962 1
1963 1
1964 6
1965 3
1966 4
1967 1
1968 1
1969 2
1970 6
1971 1
1972 4
1973 1
1974 6
1975 12
1976 20
1977 16
1978 23
1979 15
1980 20
1981 27
1982 14
1983 31
1984 29
1985 31
1986 36
1987 48
1988 59
1989 40
1990 59
1991 46
1992 63
1993 62
1994 61
1995 60
1996 77
1997 76
1998 82
1999 102
2000 86
2001 131
2002 145
2003 144
2004 158
2005 188
2006 181
2007 226
2008 234
2009 235
2010 252
2011 293
2012 302
2013 353
2014 376
2015 397
2016 460
2017 476
2018 542
2019 563
2020 540
2021 611
2022 597
2023 583
2024 210

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8,466 results

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Page 1
Do extreme summers increase blood vitamin D (25-hydroxyvitamin D) levels?
Kraus FB, Medenwald D, Ludwig-Kraus B. Kraus FB, et al. PLoS One. 2020 Nov 10;15(11):e0242230. doi: 10.1371/journal.pone.0242230. eCollection 2020. PLoS One. 2020. PMID: 33170904 Free PMC article.
In this study we used laboratory data from a large university clinic in Germany (n = 13 406), to test for any detectable impact of two extreme summers on Vitamin-D [25(OH)D] plasma concentrations over a six year period (2014-2019). For the two years with extr …
In this study we used laboratory data from a large university clinic in Germany (n = 13 406), to test for any detectable impact of two extre …
Helping Physicians Collaborate with Psychologists.
Chahin S, Apple RW, Dickson C. Chahin S, et al. Pediatr Clin North Am. 2022 Oct;69(5):819-823. doi: 10.1016/j.pcl.2022.06.002. Pediatr Clin North Am. 2022. PMID: 36207094 Review.
The Association between Vitamin D Status and Muscle Strength Among Adolescents.
Orces CH. Orces CH. Int J Prev Med. 2022 Nov 28;13:146. doi: 10.4103/ijpvm.IJPVM_625_20. eCollection 2022. Int J Prev Med. 2022. PMID: 36911009 Free PMC article.
In general, higher 25(OH)D levels were seen among children examined during summer and fall seasons than those during winter and spring seasons, regardless the type of sport activities. Moreover, children who played mixed sports during summer and fall seasons …
In general, higher 25(OH)D levels were seen among children examined during summer and fall seasons than those during winter an …
Are the current Australian sun exposure guidelines effective in maintaining adequate levels of 25-hydroxyvitamin D?
Kimlin M, Sun J, Sinclair C, Heward S, Hill J, Dunstone K, Brodie A. Kimlin M, et al. J Steroid Biochem Mol Biol. 2016 Jan;155(Pt B):264-70. doi: 10.1016/j.jsbmb.2015.03.007. Epub 2015 Mar 20. J Steroid Biochem Mol Biol. 2016. PMID: 25797374 Review.
The mean 25(OH)D concentration in participants who complied with the current sun exposure guidelines was 67.3 nmol/L in summer and 41.9 nmol/L in winter. ...The results suggest that the current Australian guidelines for sun exposure for 25(OH)D adequacy are e …
The mean 25(OH)D concentration in participants who complied with the current sun exposure guidelines was 67.3 nmol/L in summer …
COVID-19 severity appears to be reduced in spring/summer.
Sposato B, Serafini A, Simoncini E, Croci L, Guidoni C, Scalese M, Baratta P, Cresti A, Lacerenza LG, Lena F, Nencioni C, Spargi G, Perrella A; Grosseto COVID Group. Sposato B, et al. Epidemiol Prev. 2023 Jan-Apr;47(1-2):34-46. doi: 10.19191/EP23.1.A503.016. Epidemiol Prev. 2023. PMID: 36971236 English.
IL-6, ferritin, procalcitonin, D-dimer were similar. Conversely, CRP was lower whereas vitamin D was higher in the warmer seasons. ...C-reactive protein was found to be lower whereas vitamin D higher in the warmer months. It can be hypothesized that higher le …
IL-6, ferritin, procalcitonin, D-dimer were similar. Conversely, CRP was lower whereas vitamin D was higher in the warmer seas …
Changing Trend in Vitamin D Status from 2008 to 2016: An Experience from a Tertiary Care Institute in North India.
Raizada N, Goyal A, Singla R, Sreenivas V, Gupta N, Khadgawat R. Raizada N, et al. Indian J Endocrinol Metab. 2020 Mar-Apr;24(2):150-154. doi: 10.4103/ijem.IJEM_634_19. Epub 2020 Apr 30. Indian J Endocrinol Metab. 2020. PMID: 32699781 Free PMC article.

BACKGROUND: Serum 25-hydroxyvitamin D (25(OH)D) assays have become readily available in India over the past decade. ...The levels in rainy season were significantly higher as compared to winters and summers (P < 0.05 for both). Hypervitaminosis D (s

…
BACKGROUND: Serum 25-hydroxyvitamin D (25(OH)D) assays have become readily available in India over the past decade. ...The lev …
Changes in Vitamin D Status in Overweight Middle-Aged Adults with or without Impaired Glucose Metabolism in Two Consecutive Nordic Summers.
Lundström P, Caidahl K, Eriksson MJ, Fritz T, Krook A, Zierath JR, Rickenlund A. Lundström P, et al. J Nutr Metab. 2019 Mar 3;2019:1840374. doi: 10.1155/2019/1840374. eCollection 2019. J Nutr Metab. 2019. PMID: 30944737 Free PMC article.
However, the seasonal variation in vitamin D concentrations (25[OH]D) in such populations before and after sun exposure during the summer is unknown. ...CONCLUSIONS: In the present study, sun exposure had a beneficial but insufficient effect on 25[OH]D …
However, the seasonal variation in vitamin D concentrations (25[OH]D) in such populations before and after sun exposure during …
Serum 25(OH)D seasonality in urologic patients from central Italy.
Calgani A, Iarlori M, Rizi V, Pace G, Bologna M, Vicentini C, Angelucci A. Calgani A, et al. J Photochem Photobiol B. 2016 Sep;162:361-366. doi: 10.1016/j.jphotobiol.2016.06.053. Epub 2016 Jul 9. J Photochem Photobiol B. 2016. PMID: 27427862
In winter months, the low available UVB radiation and the small exposed skin area resulted not sufficient to obtain the recommended serum doses of vitamin D. Although in summer months UVB irradiance was largely in excess to produce vitamin D in the skin, seru …
In winter months, the low available UVB radiation and the small exposed skin area resulted not sufficient to obtain the recommended serum do …
Vitamin D Deficiency in Children and Adolescents in Bagcilar, Istanbul.
Erol M, Yiğit Ö, Küçük SH, Bostan Gayret Ö. Erol M, et al. J Clin Res Pediatr Endocrinol. 2015 Jun;7(2):134-9. doi: 10.4274/jcrpe.1888. J Clin Res Pediatr Endocrinol. 2015. PMID: 26316436 Free PMC article.
METHODS: Serum vitamin D levels of 280 children aged 3-17 years old were measured at the end of winter and at the end of summer. ...In the "end of summer" samples, vitamin D deficiency was detected in 3.44% and insufficiency in 27.75%. ...
METHODS: Serum vitamin D levels of 280 children aged 3-17 years old were measured at the end of winter and at the end of summer …
8,466 results