What reasons does Oaklander give to explain why this might be the case? Do you agree with these reasons? Why do you think so many Americans do not exercise?
2. Oaklanders article focuses on a planned (as of 2016) NIH study. Can you explain the aims and methods of this study? Do those aims and methods seem well designed to you?
3. Several times in Ballantynes article, the critics of scientific studies cite confounding factors as reasons to be skeptical of the authors conclusions. Can you give examples of such confounding factors?
4. In Ballantynes article, weight loss (i.e., reduction of body fat) is mentioned in more than one context. Can you summarize the relationship between exercise, weight loss, and health benefits sketched in this article?
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