A sleep hormone might hold the key to prevent memory loss

As people get older, many start to notice changes in their memory. Forgetting names, misplacing items, or struggling to remember events can be early...

Scientists discover a big hidden cause of memory loss

Scientists at the University of Washington have discovered that keeping the brain healthy as we age depends a lot on something called the blood-brain...

Common drugs may quietly increase your dementia risk

As we get older, it’s common to notice changes in memory or thinking. Sometimes it’s just small things, like forgetting where you put your...

Improving blood flow to the brain may not boost cognitive skills

A new study has found that improving blood flow to the brain by opening a narrowed neck artery may not help patients think more...

1 in 3 dementia cases linked to diseases outside the brain

Dementia is often linked to problems in the brain, like Alzheimer's disease or strokes. But new research shows that in about one-third of cases,...

Pregnancy and breastfeeding may slow cognitive decline in women

For a long time, people have known that pregnancy changes a woman’s body in many ways. Now, new research shows that these changes might...

Common eye bacteria may worsen cognitive decline

Scientists at Cedars-Sinai have discovered that a common type of bacteria called Chlamydia pneumoniae may stay hidden in the eye and brain for years—and...

Cannabis linked to better brain function in older people

For many years, research on cannabis and the brain has focused mainly on teenagers and young adults. Scientists worried that using cannabis at a young...

Some common medicines may harm your memory, study finds

When you take medicine for things like high blood pressure, allergies, or other everyday health problems, you usually expect it to help you feel...

Study shows a new cause of brain aging

As people get older, they often find it harder to remember things or learn new skills. Scientists have long wondered why this happens. Now, researchers...