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Dementia risks rise with shorter night sleep: study


Dementia risks rise with shorter night sleep: study
POOR SLEEPERS:
Researchers found a 30% greater risk of dementia in those who during their 50s, 60s and 70s routinely got six hours of sleep or less each night
The Guardian
People who regularly sleep for six hours or less each night in middle age are more likely to develop dementia than those who routinely manage seven hours, a major study into the disease showed.
Researchers found a 30 percent greater risk of dementia in those who during their 50s, 60s and 70s consistently had a short night’s sleep, regardless of other risk factors, such as heart and metabolic conditions, and poor mental health. ....

City Of , United Kingdom , France General , Orkney Islands , Severine Sabia , Liz Coulthard , Bristol University , Nature Communications , University Of Paris , University College London Whitehall , University College London , European Heart Journal , நகரம் ஆஃப் , ஒன்றுபட்டது கிஂக்டம் , பிரான்ஸ் ஜநரல் , ஆர்க்நீ தீவுகள் , லிஸ் கூல்ட்ஹார்ட் , பிரிஸ்டல் பல்கலைக்கழகம் , இயற்கை தகவல்தொடர்புகள் , பல்கலைக்கழகம் ஆஃப் பாரிஸ் , பல்கலைக்கழகம் கல்லூரி லண்டன் , ஐரோப்பிய இதயம் இதழ் ,

Middle-aged people who sleep six hours or less at greater risk of dementia, study finds


While smoking, heavy drinking and obesity are risk factors for dementia, the chances of developing the disease rise steeply with age. Dementia is estimated to affect one in 14 over-65s and one in six people aged over 80. The risk of developing Alzheimer’s or vascular dementia doubles roughly every five years above the age of 65.
The first pathological changes that lead to dementia occur one to two decades before the disease becomes obvious, as sticky proteins called amyloid and tau build up in the brain. When the 1985 Whitehall II study first assessed the sleep of volunteers who later developed dementia, this process had probably not started. This meant that if they were sleeping too little, it was unlikely to have been caused by dementia-related brain changes. ....

Orkney Islands , United Kingdom , City Of , France General , Liz Coulthard , Robert Howard , Bristol University , Nature Communications , University Of Paris , University College London Whitehall , University College London , European Heart Journal , ஆர்க்நீ தீவுகள் , ஒன்றுபட்டது கிஂக்டம் , நகரம் ஆஃப் , பிரான்ஸ் ஜநரல் , லிஸ் கூல்ட்ஹார்ட் , ராபர்ட் ஹோவர்ட் , பிரிஸ்டல் பல்கலைக்கழகம் , இயற்கை தகவல்தொடர்புகள் , பல்கலைக்கழகம் ஆஃப் பாரிஸ் , பல்கலைக்கழகம் கல்லூரி லண்டன் , ஐரோப்பிய இதயம் இதழ் ,