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  2. Biological aspects of fluorine - Wikipedia

    en.wikipedia.org/wiki/Biological_aspects_of_fluorine

    Fluorine biology is also relevant to a number of cutting-edge technologies. PFCs (perfluorocarbons) are capable of holding enough oxygen to support human liquid breathing. Organofluorine in the form of its radioisotope 18 F is also at the heart of a modern medical imaging technique known as positron emission tomography (PET).

  3. Fluoride - Wikipedia

    en.wikipedia.org/wiki/Fluoride

    Fluorine, in the form of fluoride, is considered to be a micronutrient for human health, necessary to prevent dental cavities, and to promote healthy bone growth. [28] The tea plant (Camellia sinensis L.) is a known accumulator of fluorine compounds, released upon forming infusions such as the common beverage. The fluorine compounds decompose ...

  4. Fluorine - Wikipedia

    en.wikipedia.org/wiki/Fluorine

    Fluorine. cubic. Fluorine is a chemical element; it has symbol F and atomic number 9. It is the lightest halogen [note 1] and exists at standard conditions as pale yellow diatomic gas. Fluorine is extremely reactive as it reacts with all other elements except for the light inert gases.

  5. Fluorine deficiency - Wikipedia

    en.wikipedia.org/wiki/Fluorine_deficiency

    Fluoride is sold in tablets for cavity prevention. Fluoride or fluorine deficiency is a disorder which may cause increased dental caries [1] and possibly osteoporosis, [2][3] due to a lack of fluoride in diet. [4][5] Common dietary sources of fluoride include tea, grape juice, wine, raisins, some seafood, coffee, and tap water that has been ...

  6. Composition of the human body - Wikipedia

    en.wikipedia.org/wiki/Composition_of_the_human_body

    About 99% of the mass of the human body is made up of six elements: oxygen, carbon, hydrogen, nitrogen, calcium, and phosphorus. Only about 0.85% is composed of another five elements: potassium, sulfur, sodium, chlorine, and magnesium. All 11 are necessary for life. The remaining elements are trace elements, of which more than a dozen are ...

  7. Skeletal fluorosis - Wikipedia

    en.wikipedia.org/wiki/Skeletal_fluorosis

    Skeletal fluorosis. Fluorosis patient in the industrial city of Raigarh, India. Specialty. Rheumatology. Skeletal fluorosis is a bone disease caused by excessive accumulation of fluoride leading to weakened bones. [1] In advanced cases, skeletal fluorosis causes painful damage to bones and joints.

  8. List of human hormones - Wikipedia

    en.wikipedia.org/wiki/List_of_human_hormones

    increases both systolic and diastolic blood pressure, glycogenolysis, lipolysis increases metabolism, etc. 4. Triiodothyronine. T 3. Amino acid derivative. peripheral tissue of thyroid gland. Thyroid follicular cell / Tyrosine. thyroid hormone receptor. nearly every cell in the body.

  9. Fluoride toxicity - Wikipedia

    en.wikipedia.org/wiki/Fluoride_toxicity

    Fluoride toxicity is a condition in which there are elevated levels of the fluoride ion in the body. Although fluoride is safe for dental health at low concentrations, [1] sustained consumption of large amounts of soluble fluoride salts is dangerous. Referring to a common salt of fluoride, sodium fluoride (NaF), the lethal dose for most adult ...