An estimated 5.5 million Americans of all ages have Alzheimer's disease. Of the estimated 5.5 million Americans living with Alzheimer's dementia in 2017, an estimated 5.3 million are age 65 and older and approximately 200,000 individuals are under age 65 and have younger-onset Alzheimer's. One in 10 people age 65 and older (10 percent) has Alzheimer's dementia.
Naturally, some smarty pants might make a case for smiles being the longest word in the English language. Sure, it has only six letters, but you can also truthfully say that there is a âmile between the first and last letters!
Answer by Mayakrieger13. Confidence votes 70. Claimed longest English word: The longest word in English is claimed to be a scientific term of 189,819 letters; it describes a protein, or a family of proteins, and doesn't appear in standard dictionaries.t is an obscure term referring to a lung disease caused by inhalation of silica dust. However, it is actually 4 words. The longest non-technical word in an English dictionary, (and the longest in common usage) is the 34-letter 'supercalifragilisticexpialadocious' .