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  2. Vitamin D not recommended for preventing fractures in older ...

    www.aol.com/vitamin-d-not-recommended-preventing...

    The U.S. Preventive Services Task Force released a draft recommendation advising against using vitamin D to prevent falls and fractures in people over 60. Pharmacist Katy Dubinsky weighs in.

  3. Biofilm - Wikipedia

    en.wikipedia.org/wiki/Biofilm

    The resulting activity shift in the biofilm (and resulting acid production within the biofilm, at the tooth surface) is associated with an imbalance of demineralization over remineralization, leading to net mineral loss within dental hard tissues (enamel and then dentin), the symptom being a carious lesion, or cavity. By preventing the dental ...

  4. Dental plaque - Wikipedia

    en.wikipedia.org/wiki/Dental_plaque

    Dental plaque is a biofilm that attaches to tooth surfaces, restorations and prosthetic appliances (including dentures and bridges) if left undisturbed.Understanding the formation, composition and characteristics of plaque helps in its control. [6]

  5. Popular vitamin won’t prevent a fall or fracture in older ...

    www.aol.com/news/popular-vitamin-won-t-prevent...

    The task force’s draft recommendation would update the guidance to include recommending against supplementation in men 60 or older, and it would remove mention of specific doses.

  6. Vitamin D may not prevent fractures or falls in older adults ...

    www.aol.com/vitamin-d-may-not-prevent-102300100.html

    Vitamin D supplements may have no bearing on the severity of injuries from falls in postmenopausal women and older men, according to a new draft recommendation. ... adults have changed over time ...

  7. Microbiome - Wikipedia

    en.wikipedia.org/wiki/Microbiome

    Access to the previously invisible world opened the eyes and the minds of the researchers of the seventeenth century. Antonie van Leeuwenhoek investigated diverse bacteria of various shapes, fungi, and protozoa, which he called animalcules, mainly from water, mud, and dental plaque samples, and discovered biofilms as a first indication of microorganisms interacting within complex communities.

  8. Is It Safe to Use Expired Vitamins? The Truth About Vitamin ...

    www.aol.com/vitamins-expire-nutritionists-weigh...

    Most vitamins are considered safe for up to two years past their expiration date (unless they contain mold), but may become less potent over time. Pregnant women and people in need of regular ...

  9. Prokaryote - Wikipedia

    en.wikipedia.org/wiki/Prokaryote

    Biofilms may be structurally complex and may attach to solid surfaces, or exist at liquid-air interfaces. Bacterial biofilms are often made up of microcolonies (dome-shaped masses of bacteria and matrix) separated by channels through which water may flow easily. Microcolonies may join together above the substratum to form a continuous layer.