Research Papers / how should i write my introduction for an essay on celiac disease? [3]

im having troubles writing my intro for my essay its about celiac disease and will insclude backgound of celiac, what celiac is, symotoms and risks, ht egluten free diet and treatments. i have celiac so i was thinking oubout using a personal experience but i dont know how. i was also trying to start with someithing like.. " imagine finding one day that you had to change how you eat completely..." something like that.

essay must be 10-12 pages. we write about what we want.