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Hygiene hypothesis. In medicine, the hygiene hypothesis states that early childhood exposure to particular microorganisms (such as the gut flora and helminth parasites) protects against allergies by properly tuning the immune system. [ 1 ][ 2 ] In particular, a lack of such exposure is thought to lead to poor immune tolerance. [ 1 ]
Development theory is a collection of theories about how desirable change in society is best achieved. Such theories draw on a variety of social science disciplines and approaches. In this article, multiple theories are discussed, as are recent developments with regard to these theories. Depending on which theory that is being looked at, there ...
David Émile Durkheim (/ ˈdɜːrkhaɪm /; [1] French: [emil dyʁkɛm] or [dyʁkajm]; 15 April 1858 – 15 November 1917) was a French sociologist. Durkheim formally established the academic discipline of sociology and is commonly cited as one of the principal architects of modern social science, along with both Karl Marx and Max Weber. [2][3 ...
Social development theory attempts to explain qualitative changes in the structure and framework of society, that help the society to better realize aims and objectives.. Development can be defined in a manner applicable to all societies at all historical periods as an upward ascending movement featuring greater levels of energy, efficiency, quality, productivity, complexity, comprehension ...
Definition and overview. Hygiene is a practice [3] related to lifestyle, cleanliness, health, and medicine. In medicine and everyday life, hygiene practices are preventive measures that reduce the incidence and spread of germs leading to disease. [4] Hygiene practices vary from one culture to another. [5]
Poster for the Hygiene Congress in Hamburg, 1912 "Sex hygiene" is contrasted with "false modesty" in this frontispiece to an early 20th-century book.. The social hygiene movement in the United States was an attempt by Progressive era reformers to control venereal disease, regulate prostitution and vice, and disseminate sexual education through the use of scientific research methods and modern ...
The theory is a classification system intended to reflect the universal needs of society as its base, then proceeding to more acquired emotions. [3] The hierarchy of needs is split between deficiency needs and growth needs, with two key themes involved within the theory being individualism and the prioritization of needs. While the theory is ...
Cleanliness. Cleanliness is both the state of being clean and free from germs, dirt, trash, or waste, and the habit of achieving and maintaining that state. Cleanliness is often achieved through cleaning. Culturally, cleanliness is usually a good quality, as indicated by the aphorism: "Cleanliness is next to Godliness ", [1] and may be regarded ...