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Health and Fitness


The meaning of health has evolved over time. In keeping with the biomedical perspective, early definitions of health focused on the theme of the body's ability to function; health was seen as a state of normal function that could be disrupted from time to time by disease.

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Quote of the Day

Mathematics became an experimental subject. Individuals could follow previously intractable problems by simply watching what happened when they were programmed into a personal computer. ... The PC revolution has made science more visual and more immediate ... by creating films of imaginary experiences of mathematical worlds. ... Words are no longer enough.
John D. Barrow, Cosmic Imagery: Key Images in the History of Science (2008).