The doctor explains that clinicians divide the progress of dementia into seven distinct stages – even though stage one is simply normal life for most people, perhaps underlining how the ...

The doctor explains that clinicians divide the progress of dementia into seven distinct stages – even though stage one is simply normal life for most people, perhaps underlining how the ...

One large-scale study found that high or low sleep duration increased risk of cognitive impairment and dementia. Another found that short sleep duration in middle age was associated with higher ...