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!
World's Longest Word Has 189,819 Letters, Takes 3.5 Hours To Pronounce (Now With Video Pronunciation!) Note: You can download a 65KB text file of the entire 189,819 letter word HERE. This is a video of some guy pronouncing the longest word in the world, which is the chemical name for titan (aka connectin), a human protein, and the largest known protein. It takes brobro 3-hours and 33 minutes to pronounce the whole thing, and it looks like he nods off several times in the process.