Read the excerpt from "Healthy Eating." "I was taking all these pills like an old woman," said Naar, a neonatology nurse at Baptist Hospital. "My blood pressure is hereditary, but I added to it by adding the pounds and eating horribly every day.". . . A nutritionist took her shopping and introduced her to the joys of cauliflower. She upped her workouts, stopped eating hamburgers three times a week and scaled back on the Cold Stone pistachio ice cream. Today, Naar is 20 pounds lighter and down to two pills a day. How does the author develop her argument in this part of the article?