That estimate is based on a new study that found a higher lifetime risk than previously thought: After age 55, people have up to a 4 in 10 chance of eventually developing dementia -- if they live ...

REM sleep – the last of four stages of sleep which we go through multiple times a night – is usually when we dream. It usually takes each cycle of sleep 90 minutes or more to complete. The study, ...

That estimate is based on a new study that found a higher lifetime risk than previously thought: After age 55, people have up to a 4 in 10 chance of eventually developing dementia—if they live ...

Lewy body dementia can lead to significant physical changes, even in the early stages. However, if a person with vascular or mixed dementia has had a stroke, they may also experience weak limbs on ...

That estimate is based on a new study that found a higher lifetime risk than previously thought: After age 55, people have up to a 4 in 10 chance of eventually developing dementia -- if they live ...