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The Romans did not use numerals to indicate fractions but instead used words to indicate parts of a whole.

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To prove that stomach ulcers were caused by bacteria and not by stress, a researcher consumed an entire laboratory beaker full of bacterial culture. After this, he did indeed develop stomach ulcers, and won the Nobel Prize for his discovery.

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Women are two-thirds more likely than men to develop irritable bowel syndrome. This may be attributable to hormonal changes related to their menstrual cycles.

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Anesthesia awareness is a potentially disturbing adverse effect wherein patients who have been paralyzed with muscle relaxants may awaken. They may be aware of their surroundings but unable to communicate or move. Neurologic monitoring equipment that helps to more closely check the patient's anesthesia stages is now available to avoid the occurrence of anesthesia awareness.

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Intradermal injections are somewhat difficult to correctly administer because the skin layers are so thin that it is easy to accidentally punch through to the deeper subcutaneous layer.

The organic compounds from which most cellular materials are constructed: the ABCs of biochemistry The organic compounds from which most cellular materials are constructed: the ABCs of biochemistry
Young adults increase in self-esteem between the ages of 18 and 25, according to this longitudinal s Young adults increase in self-esteem between the ages of 18 and 25, according to this longitudinal s
South Vietnamese women and children were among some 300 apparently unarmed civilians killed in a ... South Vietnamese women and children were among some 300 apparently unarmed civilians killed in a ...
The vast majority of older adults live in their own homes, even when they need special equipment or ... The vast majority of older adults live in their own homes, even when they need special equipment or ...
In early industrialization, children worked alongside adults. They worked 12 hours a day Monday to ... In early industrialization, children worked alongside adults. They worked 12 hours a day Monday to ...
Photos of starving children, such as this child in Somalia, haunt Americans and other members of the ... Photos of starving children, such as this child in Somalia, haunt Americans and other members of the ...
Video: Bone elongation - processes at the epiphyseal plate

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