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This definition is just one of many that are possible. What constitutes тАЬgoodтАЭ health in particular can vary widely. The rather fragile individual who stays тАЬwellтАЭ within the ordinary environment of his or her existence may succumb to a heart attack from heavy shovelling after a snowstorm; or a sea-level dweller may move to a new home in the mountains, where the atmosphere has a lower content of oxygen, and suffer from shortness of breath and anemia until his or her red blood cell count adjusts itself to the altitude. Thus, even by this definition, the conception of good health must involve some allowance for change in the environment.
Britannica Quiz Apples and D