Image
               
Francisco Castro
City Editor
 
City Editor
 
This article was produced as a project for the USC Center for Health Journalism’s California Fellowship.
![[Photo by Agência Brasil Fotografias via Flickr.]](/sites/default/files/styles/teaser_list_thumbnail/public/title_images/unnamed%20%282%29_1.jpg?itok=1iEWUW9L) 
Susana Castro’s arms are deformed, bruised and mangled. At 67-year-old native of Mexico City has suffered from diabetes since she was 40. She now requires three hours of dialysis treatment every third day, or else she will die.