As individuals with Alzheimer's disease (AD) move from the mild cognitive impairment stage to moderate and severe dementia, ...

Sleeping fewer than 4.5 hours and more than 6.5 hours per night is associated with cognitive decline, according to researchers. In a recent study published in Oxford Academic's Brain, a team from the ...

Children who grow up in stressful environments often have elevated levels of "the stress hormone” cortisol, which can impair cognitive development. New research shows that some children growing up ...