Scientific American Content | Global Follow Christina Applegate says she was misdiagnosed with MS—how could that happen? The Emmy Award–winning actress revealed that a multiple sclerosis diagnosis in 2021 was incorrect. It’s a surprisingly common experience, experts say https://www.scientificamerican.com/article/christina-applegate-says-she-was-misdiagnosed-with-ms-how-could-that-happen/ scientificamerican.com