Abidemi Otaiku, a neurologist at the University of Birmingham, studies the as-yet-unexplained link between frequent bad dreams and brain disorders. Last June he reported a link between bad dreams in older age and the imminent risk of developing Parkinson’s disease in healthy people. This was followed in September by a study where he found a link between frequent bad dreams in adulthood and dementia.

Otaiku’s latest research is the most surprising by far. He has found that children who have frequent bad dreams are over six times more likely to develop Parkinson’s disease by the age of 50 compared with children who never have bad dreams. While this sounds alarming, the absolute risk is thankfully small.

Another of our authors has made a convincing case that he has solved the mystery of an Old English poem, Wulf and Eadwacer, whose meaning has eluded scholars for years. And elsewhere, we investigate what's happened to the cockney dialect, whose demise has been forecast because it's being supplanted in the capital by multicultural London English. Turns out, cockney's not dead. It just upped sticks.

Clint Witchalls

Health + Medicine Editor (UK edition)

Pressmaster/Shutterstock

Bad dreams in children linked to a higher risk of dementia and Parkinson’s disease in adulthood – new study

Abidemi Otaiku, University of Birmingham

Children who had persistent bad dreams were over six times more likely to develop Parkinson’s disease than children who never had bad dreams.

Odoacer (left) and Theoderic (right) in a woodcut from the Hartmann Schedel (1493). INTERFOTO / Alamy Stock Photo

Wulf and Eadwacer: why I think I’ve solved the mystery of this Old English poem

Ian Shiels, University of Leeds

Here, possibly four centuries before women are given a significant voice in heroic poetry in Germany and Scandinavia, a queen speaks out in an English version of a Gothic story.

Brian Harris/Alamy

The cockney dialect is not dead – it’s just called ‘Essex’ now

Amanda Cole, University of Essex

When over a million east Londoners moved to Essex in the second half of the 20th century, they took their accent with them.

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