A historian challenges a labor-history fable. Timothy Messer-Kruse doesnât remember her name, but the question she asked in his college classroom a dozen years ago changed his career â and now it may revolutionize everything historians thought they knew about a hallowed event in the imagination of the American Left.
Though the effects of the disease are similar, there are two main types. 1  Early-onset Alzheimer's. This type happens to people who are younger than age 65. 2  Late-onset Alzheimer's. This is the most common form of the disease, which happens to people age 65 and older.
According to the Alzheimer's Association, Alzheimerâs disease most commonly affects older adults, but it can also affect people in their 30s or 40s. When Alzheimerâs disease occurs in someone under the age of 65, it is known as early-onset (or younger-onset) Alzheimerâs disease.ypes of early-onset Alzheimerâs disease. Most types of early-onset Alzheimerâs disease are the same, but there are a few small distinctions: Common Alzheimerâs disease. The majority of people with early-onset Alzheimerâs disease have the common form of Alzheimerâs disease.