Healthcare & Disease Research - The average onset age of Alzheimer's symptoms for gene mutation carriers in the Richardson family is 39 years old [1] - Three young siblings in the family are hoping to change the course of the disease [1]

Disease Onset & Genetics - The Richardson family's gene mutation carriers show Alzheimer's symptoms at an average age of 39 [1] Research & Hope - Three young siblings in the family are hoping to change the course of Alzheimer's disease [1]

Medical/Genetic Information - The average age of onset for Alzheimer's symptoms in Richardson family members with a specific gene mutation is 39 years old [1] - Three young siblings in the family are hoping to change the course of the disease [1]