Watch on 123Movies. Narrator Cori Brackett had a strange cause-and-effect experience with the diet cokes she was drinking and quickly found herself disabled and diagnosed with MS. Slowly able to walk and speak again, she believes her illness is linked to aspartame. She is a co-owner of a video/film production company. After 7000 miles, and 25 hours of footage, "Sweet Misery" will reveal one of the most pervasive, insidious forms of corporate negligence since tobacco.