The average person has more than a dozen years of good cognitive health after age 65, according to a recent study. And that time span has been expanding over the past decade.
A new study finds that insufficient REM sleep - the sleep phase wherein we do most of our dreaming - is strongly linked with an increased risk of dementia.
Study finds that modifiable vascular risk factors such as diabetes, high blood pressure, and smoking in mid-life are tied to higher risk of dementia later.
