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.
Fast facts on Alzheimer's disease. Here are some key points about Alzheimer's. More detail and supporting information is in the main article. 1  Alzheimer's disease is the most common type of dementia. 2  The term dementia describes a loss of mental ability associated with gradual death of brain cells.3  There are an estimated 5.3 million Americans of all ages with Alzheimer's disease.or this reason, and because symptoms could signal any of a number of diagnoses, it is always worthwhile seeing a doctor. Alzheimer's disease is a neurological disorder in which the death of brain cells causes memory loss and cognitive decline.