http___ljekarnaviskovo.com_zdrava-stranica_vitamin-d__1.xml
1.1 2.1 3.1 4.1 5.1 5.2 6.1 6.2 7.1 8.1 9.1 10.1 11.1 12.1 13.1 13.2
With the increase in sedentary lifestyle, the Vitamin D Deficiency is increasing in adults and children and like never before. Vitamin D Deficiency should not be taken for granted because it can be the root cause of various fatal diseases which can ultimately lead to very bad health or even death. Want to know about Sources of Vitamin D? Read More: Sources of Vitamin D The role of Vitamin D is to mainly absorb the calcium in our body. So if you have a deficiency of vitamin D in your body you’ll automatically get the deficiency of calcium as well, Irrespective of the amount of calcium that you consume! Vitamin D also was known as the “sunshine vitamin” is responsible for strong bones and greater mineralization of bone tissues. Technically, you don’t get Vitamin D from sunlight, your body actually produces vitamin D when exposed to bright sunlight as the cholesterol gets converted into D vitamin D. Traditionally, it was believed that the deficiency of vitamin D is only and only responsible for soft bones and skeletal deformities but after various researches by health scientists, it was discovered that deficiency of vitamin D can lead to more severe problems. Also Read: Symptoms of Vitamin D Deficiency There can be a lot of reasons for the deficiency of vitamin D in your body depending upon your lifestyle, here are some of them which you might want to consider: This is possibly one of the biggest factor responsible for deficiency of vitamin D in more than 50% of the adults and children, a specific set of people are mainly susceptible to this factor if you are homebound, or are always wearing long robes that is preventing the sunlight from exposing your body. According to an American health magazine: “The association between BMI and lower (Vitamin D) levels in European populations from Texas and Europe can be seen across various age groups and in both men and women. Higher BMI leads to lower Vitamin D level, thus an evidence for the role of obesity as a prime risk factor for the development of Vitamin D deficiency”
1.1 1.2 2.1 3.1 4.1 5.1 6.1 7.1
Vitamin D ili kalciferol pripada skupini vitamina topljivih u mastima,obzirom na steroidnu strukturu i biološku aktivnost prikladnije ga je svrstati u hormone. U suradnji sa hormonom paratireoidne žlijezde,parat hormonom,regulira promet kalcija u organizmu.Važnost D vitamina uočena je kada se njegov nedostatak doveo u vezu sa koštanim deformitetima i krhkim kostima koje su se spriječavale dodavanjem ulja koja obiluju D vitaminom(riblje ulje). Vitamin D je zapravo skupina od 7 vitamina koji se suptilno razlikuju u strukturi,ali se u svakodnevnici pod pojmom vitamin D misli na D3 i D2. Vitamin D stvara se u koži pod djelovanjem UV zraka iz svojih preteča za što je dovoljno kratko izlaganje suncu u trajanju od 15-20 min i to manjeg dijela tijela(lice,ruke) koje omogućuje sintezu dovoljne dnevne količine D vitamina,isti se može unijeti i hranom (riba,meso,mlijeko,jaja). Dnevna potreba za odraslu osobu iznosi 5-10 ug.Osnovna uloga D vitamina je regulacija razine kalcija i fosfata,čiji nedostatak nazivamo hipokalcemijom ili hipofosfatemijom. Posljedice takvih stanja mogu biti slabost mišića,bolovi u kostima,spontani prijelomi lošom kvalitetom zubiju Nove studije pokazuju da D vitamin igra bitnu ulogu u ukupnom imunitetu organizma(kao stimulator T-limfocita),zatim kao modulator aktivnosti imunološkog sustava(vrlo bitno za cijeli niz autoimunih bolesti),tj kao modulator više od 2000 gena koji sudjeluju u regulaciji zaštitnih mehanizama a pružaju zaštitu od npr.(tumora,dijabetesa i sličnih autoimunih bolesti). Danas je nedvojbeno dokazana posvemašnja korist vitamina D,premda su i provedena brojna istraživanja o ulozi vitamina D zna se mnogo a svakodnevne spoznaje donose saznanja o novim korisnostima..