This paper illustrates a biological application of the concepts of relative change and area under a curve, from mathematics. We study two biological measures "relative change in cardiac output" and "cardiac output", which are predictors of heart blockages and other related ailments. Cardiac output refers to the quantity of…

Describes a study investigating the effects of age and sports participation on functional loss. Data on 756 adults who underwent maximal exercise testing during the 1985 World Masters Games indicate even moderate sports participation may enhance functional capacity. Older people may maintain independence in later life by increasing physical…