{"id":56987,"date":"2023-01-05T21:07:30","date_gmt":"2023-01-05T18:07:30","guid":{"rendered":"https:\/\/bilimvegelecek.com.tr\/?p=56987"},"modified":"2023-01-01T21:09:17","modified_gmt":"2023-01-01T18:09:17","slug":"d-vitamini-beynin-duzgun-calismasina-katki-sagliyor","status":"publish","type":"post","link":"https:\/\/bilimvegelecek.com.tr\/index.php\/2023\/01\/05\/d-vitamini-beynin-duzgun-calismasina-katki-sagliyor","title":{"rendered":"D vitamini beynin d\u00fczg\u00fcn \u00e7al\u0131\u015fmas\u0131na katk\u0131 sa\u011fl\u0131yor"},"content":{"rendered":"

T\u00fcm d\u00fcnyada 55 milyon insan demans ile ba\u015fa \u00e7\u0131kmaya \u00e7al\u0131\u015f\u0131yor. \u00dcstelik D\u00fcnya n\u00fcfusunun ortalam ya\u015f\u0131 yukar\u0131lara \u00e7\u0131kt\u0131k\u00e7a bu say\u0131n\u0131n da artaca\u011f\u0131 d\u00fc\u015f\u00fcn\u00fcl\u00fcyor. ABD’de bulunan Tufts \u00dcniversitesi ara\u015ft\u0131rmac\u0131lar\u0131 D vitamininin beyin zar\u0131 \u00fczerindeki etkilerini ara\u015ft\u0131rd\u0131lar. \u00d6zellikle beyin \u00e7al\u0131\u015fma h\u0131zlar\u0131nda y\u0131llara g\u00f6re azal\u0131\u015f g\u00f6r\u00fclen yeti\u015fkinleri inceleyen ekip, v\u00fccutta daha fazla D vitamini bulunmas\u0131n\u0131n zihinsel \u00e7al\u0131\u015fma sistemlerini d\u00fczenledi\u011fini g\u00f6rd\u00fcler. Ekip, \u00e7al\u0131\u015fmalar\u0131n\u0131n sonu\u00e7lar\u0131n\u0131 Alzheimer’s & Dementia: The Journal of the Alzheimer’s Association <\/em>dergisinde yay\u0131mlad\u0131.
\n\u00c7al\u0131\u015fman\u0131n \u00f6zellikle ya\u015flanan beyinde d\u0131\u015far\u0131dan al\u0131nan g\u0131dan\u0131n Alzaym\u0131r veya demans gibi hastal\u0131klara kar\u015f\u0131 nas\u0131l koruma sa\u011flad\u0131\u011f\u0131n\u0131 \u00f6\u011frenmek bak\u0131m\u0131nda \u00f6nemli oldu\u011funu s\u00f6yleyen ekip, D vitamininin ba\u011f\u0131\u015f\u0131kl\u0131k sisteminden sa\u011fl\u0131kl\u0131 kemiklere kadar pek \u00e7ok fizyolojik yarar\u0131 bilinirken, zihin \u00fczerine \u00e7al\u0131\u015fmalar\u0131n s\u00fcrd\u00fc\u011f\u00fcn\u00fc belirtiyor. D vitamini bol ya\u011fl\u0131 bal\u0131klarda, s\u00fct ve portakal suyu gibi g\u0131dalarda bulunurken, G\u00fcne\u015f \u0131\u015f\u0131\u011f\u0131nda bir s\u00fcre kalmak da D vitamininin v\u00fccutta salg\u0131lanmas\u0131n\u0131 sa\u011fl\u0131yor.
\n\u00d6nceki \u00e7al\u0131\u015fmalar\u0131n hep deneklerin kan de\u011ferlerindeki D vitamini \u00fczerinden ara\u015ft\u0131rmalar yapt\u0131\u011f\u0131na dikkat \u00e7eken ekip, bu \u00e7al\u0131\u015fmada do\u011frudan beyinde D vitamini bar\u0131n\u0131p bar\u0131nmad\u0131\u011f\u0131n\u0131 incelemi\u015f. \u00d6zellikle D vitamininin \u00e7al\u0131\u015fma h\u0131z\u0131 azalmaya ba\u015flayan beyinde nereye tutunabildi\u011fini g\u00f6rmek istemi\u015fler.<\/p>\n

\u00c7al\u0131\u015fma sonu\u00e7lar\u0131, D vitamininin do\u011frudan Alzaym\u0131r gibi hastal\u0131klar\u0131 \u00f6nledi\u011fini ortaya koymuyor, bu konuda daha \u00e7ok \u00e7al\u0131\u015fmaya ihtiya\u00e7 var. Fakat beynin \u00e7al\u0131\u015fma fonksiyonlar\u0131n\u0131 olumlu y\u00f6nde etkiledi\u011fi a\u015fikar. Demans pek \u00e7ok sebepten \u00f6t\u00fcr\u00fc tetiklenebilen bir hastal\u0131k ve bu hastal\u0131\u011f\u0131 olu\u015fturan patolojik mekanizmalar t\u00fcm\u00fcyle bilinmiyor. Bu sebeple salt D vitamini edinmeyle \u00e7\u00f6z\u00fclebilecek bir hastal\u0131k olmad\u0131\u011f\u0131 da a\u015fikar.
\nV\u00fccutta D vitamini emilimi ve \u00fcretimi, etnik gruplara g\u00f6re de\u011fi\u015fiklik g\u00f6sterebiliyor. Yap\u0131lan \u00e7al\u0131\u015fmaysa genel ge\u00e7er sonu\u00e7lara sahip de\u011fil zira \u00f6rneklerin tamam\u0131 Beyazlardan olu\u015fuyor. Ara\u015ft\u0131rmac\u0131lar, sonraki \u00e7al\u0131\u015fmalar\u0131nda daha \u00e7ok \u00e7e\u015fitli bir grup \u00fczerinden devam ettirmeye niyetliler. Ekip, \u00e7al\u0131\u015fmalar\u0131n\u0131n gelecekde demans \u00f6nleyici bir tedavi \u00fcretmesini umut ediyor. Fakat konu tedaviden a\u00e7\u0131lm\u0131\u015fken, ara\u015ft\u0131rmac\u0131lar d\u0131\u015far\u0131dan y\u00fcksek miktarlarda sa\u011flanacak D vitamini takviyelerini tavsiye etmiyorlar. 1-70 ya\u015flar\u0131ndaki bireyler i\u00e7in tavsiye edilen g\u00fcnl\u00fck D vitamini dozu 600 IU, daha ya\u015fl\u0131lar i\u00e7inse 800 IU. Bu tavsiye edilen miktarlar\u0131n \u00fczerine \u00e7\u0131kman\u0131n kemiklere, b\u00f6breklere ve kalbe zararlar\u0131 oldu\u011fu biliniyor.
\n\u00c7al\u0131\u015fmalar, olmas\u0131 gerekenden fazla miktarlarda D vitamininin de\u011fil, olmas\u0131 gereken miktarlarda D vitamininin insan beynine iyi geldi\u011fini g\u00f6steriyor.<\/p>\n","protected":false},"excerpt":{"rendered":"

T\u00fcm d\u00fcnyada 55 milyon insan demans ile ba\u015fa \u00e7\u0131kmaya \u00e7al\u0131\u015f\u0131yor. \u00dcstelik D\u00fcnya n\u00fcfusunun ortalam ya\u015f\u0131 yukar\u0131lara \u00e7\u0131kt\u0131k\u00e7a bu say\u0131n\u0131n da artaca\u011f\u0131 d\u00fc\u015f\u00fcn\u00fcl\u00fcyor. ABD’de bulunan Tufts \u00dcniversitesi ara\u015ft\u0131rmac\u0131lar\u0131 D vitamininin beyin zar\u0131 \u00fczerindeki etkilerini ara\u015ft\u0131rd\u0131lar. \u00d6zellikle beyin \u00e7al\u0131\u015fma h\u0131zlar\u0131nda y\u0131llara g\u00f6re azal\u0131\u015f g\u00f6r\u00fclen yeti\u015fkinleri inceleyen ekip, v\u00fccutta daha fazla D vitamini bulunmas\u0131n\u0131n zihinsel \u00e7al\u0131\u015fma sistemlerini d\u00fczenledi\u011fini […]<\/p>\n","protected":false},"author":512,"featured_media":56988,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[19,33],"tags":[982,8753,2557],"class_list":["post-56987","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-bilim-gundemi","category-saglik-bilimleri","tag-alzheimer","tag-d-vitamini","tag-demans"],"acf":[],"aioseo_notices":[],"aioseo_head":"\n\t\t\n\t\n\t\n\t\n\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t