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	Since this article does not have an abstract, we have provided the first 150 words of the full text and any section headings.

The recent study by Pereira and coworkers¹ in the ARCHIVES titled "A Randomized Walking Trial in Postmenopausal Women" is superb and should convince us, more than ever, that we must recommended long-term exercise to our older female patients. Because of the high quality of the study, I was distressed to read in the abstract the following: "There were also fewer hospitalizations, surgeries, and falls among women in the walking group, although these differences were not statistically significant." Later the text states that ". . . although not statistically significant, the walkers had higher sport index kilocalories scores than the controls. . . . "¹(p1697)

I know that the authors realize that a study such as this is based on statistical inference, which, in turn, is based on probabilities. Within this framework, we must accept that a comparison is different only if it is statistically different. This may sound like . . . [Full Text of this Article]