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  2. Vitamin D deficiency - Wikipedia

    en.wikipedia.org/wiki/Vitamin_D_deficiency

    Vitamin D deficiency is typically diagnosed by measuring the concentration of the 25-hydroxyvitamin D in the blood, which is the most accurate measure of stores of vitamin D in the body. [1][7][2] One nanogram per millilitre (1 ng/mL) is equivalent to 2.5 nanomoles per litre (2.5 nmol/L). Severe deficiency: <12 ng/mL = <30 nmol/L[2] Deficiency ...

  3. Vitamin D - Wikipedia

    en.wikipedia.org/wiki/Vitamin_D

    Vitamin D 5. sitocalciferol. (made from 7-dehydrositosterol) Several forms (vitamers) of vitamin D exist, with the two major forms being vitamin D 2 or ergocalciferol, and vitamin D 3 or cholecalciferol. [ 1 ] The term 'vitamin D' refers to either D 2 or D 3, or both, and is known collectively as calciferol.

  4. Calcitriol - Wikipedia

    en.wikipedia.org/wiki/Calcitriol

    Calcitriol is a hormone and the active form of vitamin D, normally made in the kidney. [8][9][10] It is also known as 1,25-dihydroxycholecalciferol. It binds to and activates the vitamin D receptor in the nucleus of the cell, which then increases the expression of many genes. [11]

  5. Vitamin D and neurology - Wikipedia

    en.wikipedia.org/wiki/Vitamin_D_and_neurology

    Vitamin D and neurological disorders. Hypovitaminosis D is associated with several neuropsychiatric disorders including dementia, Parkinson's disease, multiple sclerosis, epilepsy, and schizophrenia. There are several proposed mechanisms by which hypovitaminosis D may impact these disorders. One of these mechanisms is through neuronal apoptosis ...

  6. The Most Up-To-Date Guide To Women's Hair Loss You'll Read - AOL

    www.aol.com/most-date-guide-womens-hair...

    2. Laser Devices: Most of these at-home devices rely on red light and there is some data indicating that they can help with female pattern hair loss. Again, we don’t understand exactly why, but ...

  7. Reference ranges for blood tests - Wikipedia

    en.wikipedia.org/wiki/Reference_ranges_for_blood...

    v. t. e. Reference ranges (reference intervals) for blood tests are sets of values used by a health professional to interpret a set of medical test results from blood samples. Reference ranges for blood tests are studied within the field of clinical chemistry (also known as "clinical biochemistry", "chemical pathology" or "pure blood chemistry ...

  8. “So Everybody Was Right”: Man Gets Mixed Reactions After ...

    www.aol.com/influencer-high-cholesterol-raises...

    An influencer reveals his “phenomenal” blood test results after a year on the carnivore diet. ... insulin, thyroid function, blood cell counts, vitamin D, and others, Hicks expressed concern ...

  9. Health effects of sunlight exposure - Wikipedia

    en.wikipedia.org/wiki/Health_effects_of_sunlight...

    Exposure of skin to ultraviolet radiation from sunlight presents both positive and negative health effects. On the positive side, UV exposure enables the synthesis of vitamin D3, which is essential for bone health [1] and potentially plays a role in inhibiting certain cancers. [2][3] While vitamin D can also be obtained through dietary ...