The best ways to ward off dementia revealed, according to science

Health
US researchers, who monitored more than 500 older adults, found that those who experienced a sharp decline in their olfactory sense were nearly twice as likely to develop Alzheimer's or dementia, compared to those who lost it more gradually

It’s finally been settled. The best way to protect yourself against dementia is to keep your brain stimulated, a major review suggests.  People who regularly read books, played musical instruments or keep a personal diary have a 23 per cent lower risk of developing the condition. The analysis of dozens of studies involving 2million middle-aged and older …

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A simple heart scan may predict if you’re at risk of dementia in the next 10 years, study finds

Health
A simple heart scan may predict if you're at risk of dementia in the next 10 years, study finds

A simple heart scan in old age may predict if you’re at risk of dementia in the next 10 years, study finds 75-year-olds with atrial cardiopathy were 35% more likely to develop dementia  Atrial cardiopathy causes heart chamber issues that can be detected with scans  Researchers tracked dementia diagnoses in elderly US adults from 2011 …

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Quanta Magazine

Science
Quanta Magazine

Smith had been trying to understand properties of solutions to equations called elliptic curves. In doing so, he worked out a specific part of the Cohen-Lenstra heuristics. Not only was it the first major step in cementing those broader conjectures as mathematical fact, but it involved precisely the piece of the class group that Koymans …

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Scientists find evidence that continents were formed by giant meteor impacts | Science & Tech News

Science
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Scientists have discovered what they believe is the strongest evidence to date that the continents were formed by giant meteor impacts during the Earth’s early history. Meteorite impacts were “particularly prevalent during the first billion years or so of our planet’s four-and-a-half billion year history”, according to researchers from Curtin University. The theory that the …

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