Cognitive Impairment

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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.

By Karen Gaudette Brewer

Chemobrain: Cancer Treatment Side Effects

For patients with metastatic breast cancer, radiation, chemotherapy, and hormonal therapies can all harm nearby or distant healthy tissue—including the brain.

By Kathleen Hall, MBA

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.

By Diane Domina

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.

By Diane Domina

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.

By Diane Domina

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.

By Diane Domina

Untreated Childhood Sleep Apnea Harms Brain

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

By Eli Hendel, M.D.

Naps Help Babies Learn and Remember New Words

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

By Martin Reed