Christina Applegate Says Her MS Was Misdiagnosed NYT - Home Page By: Maggie Astor 20 October 2026 at 22:07 The actress, who was given a diagnosis of multiple sclerosis in 2021, was told by a doctor that she doesnβt have it after all. Β© Tawni Bannister for The New York TimesβYou donβt get misdiagnosed and then all of a sudden Iβm better,β Christina Applegate said on Tuesday, after learning from her doctor that she didnβt have multiple sclerosis after all.