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Cognitive Impairment

The Latest

Nurse and senior woman with IV in the hospital.

Emergency Hospitalizations Raise Rates of Cognitive Decline in Older Adults

Urgent and emergency hospitalizations are associated with higher rates of long-term cognitive decline in seniors, compared to planned hospitalizations.

Coffee and its effect on the brain concept.

How Coffee Protects the Brain

Researchers at the Krembil Brain Institute in Toronto have identified some ways that coffee supports cognitive function and helps prevent mental decline.

Confused senior in a grocery store.

Does Heart Valve Surgery Affect Cognition in Older Adults?

An older adult's ability to think, remember, and make decisions can be diminished in the first month following heart valve surgery.

Pink breast cancer awareness ribbon on doctors lab coat.

Do You Have "Chemobrain"?

If you feel confused or have trouble focusing as you go through cancer treatment, it could be chemobrain. Learn more about what it is and why it happens.

Senior woman with osteoporosis looking at skeleton model.

Could Weakened Bones Signal Dementia Risk?

Several studies have suggested that osteoporosis — thinning bones — is associated with an increased risk for cognitive changes, dementia, and memory loss.

Senior couple opening a bottle of wine in the kitchen at home.

Alcohol and Dementia Risk: Moderation Really Is Key

People who abstain from alcohol or have more than 14 alcoholic drinks per week in middle age are both more likely to develop dementia — for different reasons.

Woman working in the garden getting overheated.

Not Drinking Enough Water? You May Not Be Thinking Straight

Working outside without fluids (especially in the hot summer sun) for just two hours is enough to cause dehydration sufficient to impede concentration, according to a study from the Georgia Institute of Technology (Georgia Tech) in Atlanta.

Elderly man driving a car.

Senior Safety: When Is It Time to Hand Over the Car Keys?

For many of us, the ability to drive contributes to a more satisfying, more independent life, especially as we age, but vehicle safety concerns and fatal crash rates based on distances driven increase significantly in older adults.

Child snoring in bed

Untreated Childhood Sleep Apnea Harms Brain

Childhood sleep apnea often goes undiagnosed and can harm brain cells linked to cognition and mood.

Tired mother asleep next to awake baby's crib

Naps Help Babies Learn and Remember New Words

Sleep is essential at all stages of life, but it’s absolutely critical for childhood learning.