Myrna: People should follow diets in which fat represents no more than 30 percent of total calories, not the 37 percent the average diet in this country contains  Roland: If everyone in the country followed your recommendation during his or her entire life, just 0  2 percent would lengthen their lives at all, and then only by an average of 3 months  Modifying our diet is not worthwhile  A lifetime of sacrifice spent eating an unappealing low-fat diet is too high a price to pay for the chance of extending that sacrifice for 3 months
Myrna: But for everyone who dies early from a high-fat diet, many more people suffer from serious chronic diseases because they followed such diets
demonstrating that the statistics used by Roland to dispute her recommendation are inaccurate