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  2. Vitamin deficiency - Wikipedia

    en.wikipedia.org/wiki/Vitamin_deficiency

    Vitamin deficiency is the condition of a long-term lack of a vitamin. When caused by not enough vitamin intake it is classified as a primary deficiency, whereas when due to an underlying disorder such as malabsorption it is called a secondary deficiency. An underlying disorder can have 2 main causes:

  3. Deficiency - Wikipedia

    en.wikipedia.org/wiki/Deficiency

    Deficiency (medicine), including various types of malnutrition, as well as genetic diseases caused by deficiencies of endogenously produced proteins; A deficiency in construction, an item, or condition that is considered sub-standard, or below minimum expectations; Genetic deletion, in genetics, also called a deficiency

  4. Deficiency (medicine) - Wikipedia

    en.wikipedia.org/wiki/Deficiency_(medicine)

    In medicine, a deficiency is a lack or shortage of a functional entity, by less than normal or necessary supply or function. A person can have chromosomal deficiencies, mental deficiencies, nutritional deficiencies, complement deficiencies, or enzyme deficiencies.

  5. Malnutrition - Wikipedia

    en.wikipedia.org/wiki/Malnutrition

    [11] [12] Specifically, it is a deficiency, excess, or imbalance of energy, protein and other nutrients which adversely affects the body's tissues and form. [13] Malnutrition is a category of diseases that includes undernutrition and overnutrition. [14] Undernutrition is a lack of nutrients, which can result in stunted growth, wasting, and ...

  6. Vitamin D deficiency - Wikipedia

    en.wikipedia.org/wiki/Vitamin_D_deficiency

    Mapping of several bone diseases onto levels of vitamin D (calcidiol) in the blood [6] Normal bone vs. osteoporosis. 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.

  7. Immunodeficiency - Wikipedia

    en.wikipedia.org/wiki/Immunodeficiency

    Granulocyte deficiency, including decreased numbers of granulocytes (called as granulocytopenia or, if absent, agranulocytosis) such as of neutrophil granulocytes (termed neutropenia). Granulocyte deficiencies also include decreased function of individual granulocytes, such as in chronic granulomatous disease.

  8. Primary immunodeficiency - Wikipedia

    en.wikipedia.org/wiki/Primary_immunodeficiency

    Primary immunodeficiencies are disorders in which part of the body's immune system is missing or does not function normally. [1] To be considered a primary immunodeficiency (PID), the immune deficiency must be inborn, not caused by secondary factors such as other disease, drug treatment, or environmental exposure to toxins.

  9. Scurvy - Wikipedia

    en.wikipedia.org/wiki/Scurvy

    Scurvy is a deficiency disease (state of malnutrition) resulting from a lack of vitamin C (ascorbic acid). [1] Early symptoms of deficiency include weakness, fatigue, and sore arms and legs. [1] [2] Without treatment, decreased red blood cells, gum disease, changes to hair, and bleeding from the skin may occur.