Health

Too much sleep bad for brain, study says

Preliminary results from the world's largest sleep study have shown that people who sleep on average between seven to eight hours per night performed better cognitively than those who slept less – or more – than this ...

Alzheimer's disease & dementia

Moving more in old age may protect brain from dementia

Older adults who move more than average, either in the form of daily exercise or just routine physical activity such as housework, may maintain more of their memory and thinking skills than people who are less active than ...

Alzheimer's disease & dementia

Racial differences in Alzheimer's disease unveiled

African-Americans may be twice as likely as Caucasian Americans to develop Alzheimer's disease, but nobody knows why because studies investigating the underlying causes of illness have historically drawn from a nearly all-white ...

Neuroscience

Excessive body fat around the middle linked to smaller brain size

Carrying extra body fat, especially around the middle, may be linked to brain shrinkage, according to a study published in the January 9, 2019, online issue of Neurology, the medical journal of the American Academy of Neurology. ...

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