Vector of a hand erasing part of the human brain of a man

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LONDON — Everyone forgets where they left their keys every once in a while, but research suggests forgetting things will be just the beginning of problems for many people. New research from England finds the number of cases of cognitive decline more than doubled in ten years, increasing the likelihood of dementia.

For the study, researchers used data from more than 1.3 million between ages 65 and 99, taken between 2009 and the end of 2018.More than 50,000 participants went to their doctor with concerns of memory loss. Nearly 15,000 experienced cognitive decline.

“There has been a drive in the past decade to encourage people to seek help earlier from their doctors if they are worried about their memory and we found that among those over 80, women and people living in more deprived areas were more likely to have a record of memory concern or cognitive decline, and their symptoms were more likely to progress to dementia diagnosis,” says lead author Brendan Hallam, a PhD candidate at University College London, in a media release.

While memory concerns remained stable, concerns of cognitive decline doubled between 2009 and 2018. For every 1,000 people who were under observation for possible cognitive issues, there was one new case of cognitive decline. By 2018, there were three new cases of cognitive decline for every 1,000 people observed.

Within three years of following up with a person who reported memory problems, 46% went on to develop dementia. Of those who experienced cognitive decline, about 52% later had a dementia diagnosis.

“Memory concerns and cognitive decline are not only hallmark symptoms of dementia, but they also predict a high risk of developing dementia. It is important for [general practitioners] to identify people with memory concerns as soon as possible to deliver recommendations to improve memory and allow timely diagnosis of dementia,” Mr. Hallam explains.

One study limitation was the different ways doctors reported memory concerns and cognitive decline. More research is needed to look at how many older adults report symptoms of cognitive decline in the general population than just those in primary care.

The study is published in the journal Clinical Epidemiology.

About Jocelyn Solis-Moreira

Jocelyn is a New York-based science journalist whose work has appeared in Discover Magazine, Health, and Live Science, among other publications. She holds a Master's of Science in Psychology with a concentration in behavioral neuroscience and a Bachelor's of Science in integrative neuroscience from Binghamton University. Jocelyn has reported on several medical and science topics ranging from coronavirus news to the latest findings in women's health.

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11 Comments

  1. GrumpyVT says:

    Forgot what I was gonna post.

    1. vindog says:

      Ha ha ha

  2. Eric says:

    Can’t we just call it Biden’s Disease?

  3. twinlightwave45 says:

    If one wants an example look no further than the U.S. president. Now there is a prime example!

  4. twinlightwave45 says:

    To moderate a post is nothing more than censureship!

  5. Greg says:

    This is intended to re-direct attention away from emerging data that shows Covid will cause dementia. They are laying ground work to offer a reasonable, but false explanation.

  6. BAMABADGER says:

    Biden voters… following the leader.

  7. Greystoke says:

    Doubled? And that was just in the White house.

  8. Godard says:

    Who are these troglodytes?

  9. JerryRyan says:

    It’s important to remember

  10. Emile says:

    No …. Trump disease.