In October 2018, Blair revealed that she had been diagnosed with
multiple sclerosis in August.
[191] For years she had thought that she was suffering from minor illnesses, or even a pinched nerve, but the diagnosis finally explained her disabilities, including her occasional falling, dropping things, foggy memory, and her left side "acting like it was asking for directions from a broken
GPS."
[191] She was inspired to reveal the news as a way to thank Allisa Swanson, her costume designer, who had become her unofficial "
dresser" for her role in the
Netflix series
Another Life, saying that Swanson "gets my legs in my pants, pulls my tops over my head, (and) buttons my coats."