How does the author develop her argument in this part of the article? She gives several reasons why people need to make changes to their eating habits and exercise routines. She shares an anecdote to show that people can drastically improve their health by making small changes to their diets. She provides facts to show how helpful medication and exercise can be for someone who wants to live a healthier lifestyle. She uses expert quotations to show that making small changes to one's diet takes a lot of time and determination.