Ever since it was described by Dr. Alois Alzheimer in 1906 as a 「peculiar」 disease in a 51-year-old woman, doctors had considered it an oddity, a rare illness of middle, not old, age.
但自从alois Alzheimer医生1906年在给一位51岁的女患者诊断时把他描述为一种「特殊」疾病后,医生一直把这个病看成一种怪病,一种只有中年人(不是老年人)才会患的病。