#1
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Âèòàìèí Ä
Óâàæàåìûå äîêòîðà! Ó ìåíÿ âîïðîñ: ê êàêîìó çíà÷åíèþ âèòàìèíà Ä íàäî ñòðåìèòüñÿ ïðè ëèêâèäàöèè åãî äåôèöèòà? Ñåé÷àñ ó ìåíÿ: 13 íã/ìë. Çàðàíåå ñïàñèáî çà îòâåò.
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#2
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Áîëåå 30, âàì íóæíî 2 èëè 3 òûñ åä â äåíü, ïî÷åìó âû íå ïèøåòå âñå â îäíîé òåìå, ãäå áîëåå ïîëíàÿ èíôîðìàöèÿ î âàñ? ïî÷åìó, åñëè çàâîäèòå íîâóþ, íå äà¸òå ïåðåêð. ññûëîê? ó âàñ ïðîáëåìû ñ ïðî÷òåíèåì ïðàâèë ôîðóìà èëè èõ ïîíèìàíèåì?
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Èñêðåííå, Âàäèì Âàëåðüåâè÷. |
#3
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Ñïàñèáî çà îòâåò. Èçâèíèòå, ïîñòàðàþñü èñïðàâèòüñÿ.
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#4
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Ïîçâîëüòå åù¸ óòî÷íèòü, ñêîëüêî ïî âðåìåíè ïðèíèìàòü 2-3 òûñ. åä. âèòàìèíà Ä? È ïîñëå íîðìàëèçàöèè åãî óðîâíÿ ïðîäîëæàòü ïðèíèìàòü (äëÿ ïðîôèëàêòèêè) ? Åñëè äà, òî â êàêîé äîçèðîâêå?
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#5
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ìû íå çíàåì äîïîäëèííî âñåé ñèòóàöèè - êàêîâ è êîãäà âàø óðîâåíü âèòàìèíà ä, òåîðåòè÷åñêè, åñëè ïåðåñòàíåòå ïðèíèìàòü è åäà áóäåò ïðåæíåé è ñîëí. èíñîëÿöèÿ, òî âèòàìèí ä âåðí¸òñÿ íà ñâîé óðîâåíü, âî ìíîãèõ ñòðàíàõ âèòàìèíîì ä óñèëåíû ïðîäóêòû è íàñåëåíèå âèòàìèíèçèðóåòñÿ ïàññèâíî (íå íóæíî ïðèíèìàòü åêñòà-äîáàâêè)
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Èñêðåííå, Âàäèì Âàëåðüåâè÷. |
#6
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Çíà÷èòåëüíàÿ ÷àñòü âèòàìèíà Ä ñèíòåçèðóåòñÿ â êîæå, ïî íåêîòîðûì äàííûì äî 90%, õîòÿ öèôðà ýòà îñïàðèâàåòñÿ. Íî, êàê ïðèìåð, ÷àñòîòà åãî äåôèöèòà â Øòàòàõ 42%, a â ñîëíå÷íîé Áðàçèëèè 28%.  Âåëèêîáðèòàíèè ÷àñòîòà â Øîòëàíäèè (ñåâåð) âûøå, ÷åì íà þãå. A äàæå íà þãå, äîñòàòî÷íîå êîëè÷åñòâî ñîëíå÷íûõ äíåé ñ äîñòàòî÷íûì êîëè÷åñòâîì óëüòðàâèîëåòà ñ àïðåëÿ äî ñåíòÿáðÿ 4 ÷àñà â äåíü , ñ 11 óòðà äî 3 äíÿ. À â ñîëíå÷íîì Èðàíå , ãäå ïî÷òè âñå æåíùèíû ñ ãîëîâû äî íîã çàêóòàíû â ÷åðíûå áàëàõîíû , ó äåâî÷åê ÷àñòîòà äåôèöèòà âèòàìèíà D ~ 92% , à ó áåðåìåííûõ æåíùèí ïîðÿäêà 84%. Òàê ÷òî êàê áû ìû íå ñ÷èòàëè, ñîëíå÷íàÿ ïîãîäà è ëåãêàÿ îäåæäà ( òåïëûé êëèìàò) ïðoñòî âàæíû.
A êàêàÿ òàì ñîëíå÷íîñòü â Ïèòåðå? Êîò íàïëàêàë. È õîëîä çàñòàâëÿåò òåïëî îäåâàòüñÿ. Âîò Âàì è îòâåò. Ïîíÿòèÿ íå èìåþ, ïðîâîäèòñÿ ëè â ÐÔ ôîðòèôèêàöèÿ ìîëîêà è âñÿêèõ äîáàâîê ê íåìó ( êóêóðóçíûå õëîïüÿ è ïð).  Øòàòàõ ýòî íàäåæíî ðàáîòàåò ó äåòåé 6-11 ëåò, ó áîëüøèíñòâà êîòîðûõ ýòî ñòàíäàðòíûé çàâòðàê, íî êðàéíå íåýôôåêòèâío ó âçðîñëûõ ( íà çàâòðàê ñàìàÿ ïîïóëÿðíàÿ åäà ýòî ÿè÷íèöà ñ áåêîíîì) Ðåêîìåíäàöèè ãîâîðÿò, ÷òî ïîcëå äîñòèæåíèÿ íîðìàëüíûõ óðîâíåé ( 30-50 íìîëü/ë) íóæíî ïðèíèìàòü ïîðÿäêà 800-1000 åäèíèö â äåíü, ñòàíäàðòíàÿ äîçà â ëþáîì ìóëüòèâèòàìèíå).
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Dr.B |
#7
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Íåò, ôîðòèôèêàöèè íåò
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Ã.À. Ìåëüíè÷åíêî |
#8
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âîò êàê ðàç èíôîðìàöèÿ ïðî âèòàìèí ä äåôèöèò ó ôèííîâ â ñðàâíåíèè ñ ðóññêèìè ýìèãðàíòàìè, ÷òî òåððèòîðèàëüíî áëèçêî ê ÑÏá:
Participants: Immigrants aged 18-64 years (446 Russians, 346 Somalis, 500 Kurds), 798 Finns aged 30-64 years. Results: The mean of S-25(OH)D was 64 (95 % CI 62, 66) for Russians, 44 (95 % CI 41, 46) Somalis, 35 (95 % CI 34, 37) Kurds and 64 (95 % CI 62, 66) nmol/l Finns. S-25(OH)D among Somalis and Kurds was lower compared with Finns (P < 0·001). The prevalence of vitamin D deficiency (S-25(OH)D <30 nmol/l) and insufficiency (S-25(OH)D <50 nmol/l) was higher among immigrants than Finns (P < 0·001). Vitamin D-rich foods differed between the groups; vitamin D-fortified fat spread consumption was higher among Somalis (91 %) than among Russians (73 %) and Kurds (60 %); fish was less consumed among Kurds (17 %) than among Russians (43 %) and Somalis (38 %); and 57 % Russians, 56 % Kurds and 36 % Somalis consumed vitamin D-fortified dairy daily (P < 0·001 for all). Daily smoking, alcohol consumption and winter blood sampling were determinants of vitamin D insufficiency (P ≤ 0·03). Older age, physical activity, fish and vitamin D-fortified dairy consumption were associated with lower odds of insufficiency (P ≤ 0·04). --- Public Health Nutr. 2020 May;23(7):1254-1265. doi: 10.1017/S1368980019004312. Prevalence and determinants of vitamin D deficiency and insufficiency among three immigrant groups in Finland: evidence from a population-based study using standardised 25-hydroxyvitamin D data
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Èñêðåííå, Âàäèì Âàëåðüåâè÷. |
#9
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Dr.B |