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Lack of vitamin D may 'raise dementia risk'
Conclusion This cohort study of more than 1,650 elderly people has found that over 5.6 years, severe vitamin D deficiency is associated with approximately twice the risk of developing dementia or Alzheimer's disease. It also found moderate deficiency is associated with a 50% increase in risk compared with healthy levels of vitamin D. With this being a cohort study, it was not able to show that low levels of vitamin D caused dementia or Alzheimer's disease – it was simply able to show an association. Other factors that can increase the risk of developing dementia, such as a poor diet, lack of activity and general poor h...
Source: NHS News Feed - August 7, 2014 Category: Consumer Health News Tags: Lifestyle/exercise Older people Neurology Mental health Source Type: news

Media dementia scare over hay fever and sleep drugs
Conclusion This large US prospective cohort study suggests a link between those taking high levels of anticholinergic medicines for more than three years and developing dementia in adults over 65. The main statistically significant finding was in a group taking the equivalent of any of the following medications daily for more than three years: xybutynin chloride, 5mg chlorpheniramine maleate, 4mg olanzapine, 2.5mg meclizine hydrochloride, 25mg doxepin hydrochloride, 10mg These are not unrealistic doses of medicine, so the results may be applicable to a significant proportion of older adults. The main lim...
Source: NHS News Feed - January 27, 2015 Category: Consumer Health News Tags: Medication Neurology Source Type: news

Snoring link to Alzheimer ’s disease unproven
Conclusion This relatively large cross-sectional analysis has found a link between certain measures of breathing problems during sleep and poorer cognitive function in middle-aged to older adults. The strengths of this study include its size and use of a prospective sleep study to assess whether people had sleep apnoea or other problems with breathing during sleep. The use of standard cognitive tests is also a strength. However, the study does have its limitations: The study did have mixed findings – while certain measures of problems with breathing during sleep (e.g. oxygen levels) were associated with cognitive outco...
Source: NHS News Feed - July 24, 2017 Category: Consumer Health News Tags: Neurology Lifestyle/exercise Source Type: news