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Can a Dream Warn You About Cancer?

Prodromal dreaming, or the idea that dreams can alert us to a health problem before it’s clinically diagnosed, isn’t a widely accepted theory. But a growing body of work has uncovered links between dream patterns and certain health conditions.

By Diane Bacha
Jan 19, 2021 2:30 PMSep 6, 2023 3:12 PM
Woman frowning while having a bad dream
(Credit: Stasonych/Shutterstock)

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Chances are it has happened to you or someone you know: dreaming that your teeth are falling out. Not quite a terrifying nightmare, but definitely not pleasant.

Could it be that you were frightened of the tooth fairy as child and your brain is processing unpleasant thoughts? Or do you need to visit your dentist?

Dreaming About Health Issues

The connection between dreaming and health has been studied in the search for insights about mental health, disease, the brain, and sleep. Studies show, for instance:

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