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Vitamina D

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VITAMINA D

Il ruolo della VITAMINA D va molto oltre la fissazione del calcio nelle ossa.

Gli studi più progrediti ne confermano il ruolo nella protezione verso lo sviluppo di numerose patologie, come verso le PATOLOGIE AUTOIMMUNI e sottolineano l'importanza di avere valori ottimali di VITAMINA D.

http://www.vitamindwiki.com/tiki-index.php?page=Vitamin+D+pathways+and+benefits+to+the+body+-+Dr+Norman+-+2011

I Recettori della Vitamina D ( VDR) sono distribuiti in 37 tipi di tessuti.

Il livello ottimale di Vitamina D ( 30 - 60 ng/ml) rafforza il sistema immunitario, modulando in particolare l'equilibrio Th1/Th2 e la produzione degli ENDOANTIBIOTICI come la CATELICIDINA che induce apoptosi (morte cellulare) delle cellule, infette, delle alte vie

http://www.ncbi.nlm.nih.gov/pubmed/20097832

Negli USA studi condotti dal NIH (National Institu of Healt) sottolineano lo stato di carenza di Vitamina D di gran parte della popolazione.

http://www.mult-sclerosis.org/news/Nov2003/VitaminDDeficiency.html

http://www.sunarc.org/index.htm

In Italia non esiste un rilevamento statistico sui valori di VITAMINA D per patologia e/o per età.

I malati di Fibrosi Cistica italiani, altra malattia autoimmune hanno riportato e commentato in maniera esemplare lo studio condotto presso l'università di Copenhagen sul rapporto tra i linfociti T

e i recettori della Vitamina D, senza la quale non possono essere attivati.

http://www.ncbi.nlm.nih.gov/pubmed/20208539

http://www.eurekalert.org/pub_releases/2010-03/uoc-vdc030410.php

http://www.fibrosicisticaricerca.it/Fibrosi-Cistica/Domande-e-risposte/Vitamina-D-difese-immunitarie-e-infiammazione-trattamento-in-FC

Effetti della Vitamina D sull'equilibrio ormonale maschile, femminile e nella prevenzione del cancro al seno.
Dal sito www.vitaminD.com
The effect of vitamin D on estrogen levels in women
8/18/11

I have written before that vitamin D increases testosterone levels in men. It is not a minor effect.

http://vitamindcouncil.us2.list-manage.com/track/click?u=f545cba30e1f9697fddbe8acb&id=9968fc59e9&e=58a172f5b1

Pilz S, Frisch S, Koertke H, Kuhn J, Dreier J, Obermayer-Pietsch B, Wehr E, Zittermann A. Effect of vitamin D supplementation on testosterone levels in men. Horm Metab Res. 2011 Mar;43(3):223-5.

Now, a group in Canada, led by Dr. Julia Knight at Mount Sinai Hospital, discovered that administration of 24,000 IU/week for four weeks was associated with lower estrogen levels and progesterone levels. Per 4 ng/ml increase in vitamin D, progesterone levels decreased by 10% and estrogen decreased by 3%. Unlike men, the study was confounded by what estrous cycle phase the women were in.

http://vitamindcouncil.us2.list-manage.com/track/click?u=f545cba30e1f9697fddbe8acb&id=0657fccca7&e=58a172f5b1

Knight JA, Wong J, Blackmore KM, Raboud JM, Vieth R. Vitamin D association with estradiol and progesterone in young women. Cancer Causes Control. 2010 Mar;21(3):479-83.

The favorable implications for breast cancer come immediately to mind, but as an old GP, I can tell you that lower female hormones sometimes help women in all kinds of ways, including psychologically. I suspect the women also became more fertile.


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