Chris Hemsworth's announcement on his health condition in his new show “a mission to live better for longer” on Disney Plus came like a bolt from the blue. The 39-year-old “Thor” Hollywood star discovered that he had a rare genetic combination of 2 copies of the APOE4 gene, which is associated with an increased risk of Alzheimer's disease. According to a 2021 study by the National Institutes of Health, APOE4 is the highest risk factor gene for Alzheimer’s disease, yet inheriting ApoE4 does not guarantee to develop the disease.
But what exactly is Stiff Person Syndrome? Read on to learn more!
Affecting only a small amount of the population (1-2 per million), SPS is a rare condition that not many know about.