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

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

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

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.

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.

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.

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

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