Christina Applegate reveals multiple sclerosis diagnosis l GMA

The actress, 49, revealed her diagnosis of the autoimmune disease Tuesday, writing on Twitter, “A few months ago I was diagnosed with MS. It’s been a strange journey ... It’s been a tough road.“ READ MORE: SUBSCRIBE to GMA’s YouTube page: VISIT GMA’s homepage: SIGN UP to get the daily GMA Wake-Up Newsletter: #ChristinaApplegate #MultipleSclerosis #GMA