Sökning: "hygiene hypothesis"

Visar resultat 1 - 5 av 21 avhandlingar innehållade orden hygiene hypothesis.

  1. 1. The immunomodulatory function of staphylococcal superantigen on oral tolerance

    Författare :Anna Stern; Göteborgs universitet; []
    Nyckelord :MEDICIN OCH HÄLSOVETENSKAP; MEDICAL AND HEALTH SCIENCES; MEDICIN OCH HÄLSOVETENSKAP; MEDICAL AND HEALTH SCIENCES; oral tolerance; superantigen; hygiene hypothesis; staphylococcal enterotoxin;

    Sammanfattning : Exposure to soluble proteins via the gut gives rise to systemic tolerance, a phenomenon called oral tolerance. Failure of oral tolerance results in allergy, a disease that has increased during the last decades in Western industrialized countries. The cause of this rapid increase is unknown. LÄS MER

  3. 2. Environmental risk factors for multiple sclerosis

    Författare :Jonatan Salzer; Peter Sundström; Kjell-Morten Myhr; Umeå universitet; []
    Nyckelord :MEDICIN OCH HÄLSOVETENSKAP; MEDICAL AND HEALTH SCIENCES; Multiple sclerosis; risk factors in epidemiology; prospective; month of birth; vitamin D; vitamin A; C-reactive protein; hygiene hypothesis; smoking; cotinine; Epstein-Barr virus; Epidemiology; epidemiologi;

    Sammanfattning : Background Multiple sclerosis (MS) is a chronic inflammatory disease of the central nervous system. It usually strikes during young adulthood, and 2.5 million individuals are estimated to have the disease worldwide. LÄS MER

  4. 3. Child Mortality during the Demographic Transition. A Longitudinal Analysis of a Rural Population in Southern Sweden, 1766-1894

    Författare :Kent Johansson; Ekonomisk-historiska institutionen; []
    Nyckelord :SAMHÄLLSVETENSKAP; SOCIAL SCIENCES; nutrition; frailty; the demographic transition; Sweden; hazard regression; family effects; Scania; Barker hypothesis; Child mortality; early life conditions; enclosure; Social and economic history; Ekonomisk och social historia;

    Sammanfattning : The great decline in mortality has had a vital impact on our societies. Life expectancy has more than doubled in the past 200 years, but no acceptable explanation has yet been given for the earlier part of the decline in mortality, even though it has attracted a very broad interdisciplinary interest. LÄS MER

  5. 4. Bad breath : prevalence, periodontal disease, microflora and inflammatory markers

    Författare :Birgit Johansson; Karolinska Institutet; Karolinska Institutet; []
    Nyckelord :Foetor ex ore; bad breath; halitophobia; oral hygiene; periodontal disease; periodontal pathogens and inflammatory markers;

    Sammanfattning : Bad breath usually originates within the oral cavity and is believed to be associated with periodontal disease. The over all aim of the present thesis was to study periodontal conditions in subjects with bad breath as well as the prevalence of bad breath in subjects with periodontal disease. LÄS MER

  7. 5. Salvadora persica (MISWAK) : an effective way of killing oral pathogens

    Författare :Abier Hamed Sofrata; Karolinska Institutet; Karolinska Institutet; []
    Nyckelord :Miswak; Salvadora persica; chewing stick; traditional medicine; gingivitis; periodontitis; dental plaque; plaque pH; salivary flow; acid production; microelectrodes; oral hygiene; subgingival microbiota; antibacterial agent; isothiocyanate; chromatography; Porphyromonas gingivalis; Aggregatibacter actinomycetemcomitans;

    Sammanfattning : Mechanical removal of dental plaque is regarded as an effective means of controlling the progression of dental caries and periodontal disease. The habitual use of chewing sticks (Miswak) as an oral hygiene method is still wildly spread throughout parts of Asia, Africa, and the Middle East. LÄS MER