The consensus of studies in non-insulin-dependent diabetes mellitus (NIDDM) seems to be that exercise has beneficial effects not only on glucose metabolism and insulin sensitivity, but also on elevated plasma lipids, blood pressure, and obesity frequently following NIDDM. Feasibility of effective physical training programs in subjects suffering from NIDDM seems, however, questionable on a large scale because NIDDM is found mainly in physically inactive subjects over the age of 50. In such individuals, cardiovascular complications may also prevent physical activity of sufficient intensity. Although direct information is limited, the possibility remains that regular exercise may prevent or postpone clinical NIDDM, particularly by preventing the development of obesity.

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