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This may lead to constipation symptoms such as incomplete evacuation of stool, [1] irregular bowel movements, [1] hard stools [1] and the need for excessive straining. [ 1 ] [ 3 ] Compared to the more natural squatting position, western-style toilets may lead to health issues [ 1 ] such as inflamed hemorrhoids.
The periodontal curette is a type of hand-activated instrument used in dentistry and dental hygiene for the purpose of scaling and root planing. [1] The periodontal curette is considered a treatment instrument and is classified into two main categories: universal curettes and Gracey curettes. [1]
A 1930s poster from the Work Projects Administration promoting oral hygiene. Tooth decay is the most common global disease. [14] Over 80% of cavities occur inside fissures in teeth where brushing cannot reach food left trapped after eating and saliva and fluoride have no access to neutralize acid and remineralize demineralized teeth, unlike easy-to-clean parts of the tooth, where fewer ...
Kneeling chair. These chairs were the first piece of furniture designed to use with computers, and were called computer chairs. They were intended to help avoid the back problems associated with sitting in a constant hunched over condition. They usually had a rocker base, so that you could adjust your position by leaning slightly forward or back.
Luigi Mangione, 26, was charged with murder late Monday in the Dec. 4 shooting of UnitedHealthcare CEO Brian Thompson in New York City after police in Altoona, Pa., were called to a McDonald’s ...
Arnold Schwarzenegger looks just like Santa Claus on the set of his upcoming Christmas movie, "The Man with the Bag."
New details about a study that warned against black plastic spatulas and other kitchen tools have come out. (Getty Creative) (Анатолий Тушенцов via Getty Images)
The term ergonomics (from the Greek ἔργον, meaning "work", and νόμος, meaning "natural law") first entered the modern lexicon when Polish scientist Wojciech Jastrzębowski used the word in his 1857 article Rys ergonomji czyli nauki o pracy, opartej na prawdach poczerpniętych z Nauki Przyrody (The Outline of Ergonomics; i.e. Science of Work, Based on the Truths Taken from the ...
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