Christina Applegate Says She’s Being Tested for Other Diseases After MS Misdiagnosis

By TMZ Staff Nov 4, 2026 | 8:10 PM

Christina Applegate says she’s back to “square one” after her MS misdiagnosis … revealing she’s getting tested for other diseases. This week on her “MeSsy” podcast, the “Dead to Me” star revealed she’s getting tested “one-by-one” for the “sister…