United Kingdom, Sept. 1 -- Stephen King is "afraid" of dementia and frets about being diagnosed with a terrifying brain condition every time he forgets a word.

The 77-year-old blockbuster author made the confession in an interview with The Times newspaper revealing he is worried about suffering the same fate as fellow novelist Sir Terry Pratchett, who battled Alzheimer's disease prior to his death in 2015.

King said: "That's what I'm afraid of. I'm afraid of that happening to me and every time that I can't remember a word or something, I think: 'This is the start'."

The Shining author revealed he still writes around 1,200 words a day when he's at home and has at least one more book he wants to publish before he starts thinking about en...