Ageism varies among countries, new research shows. Older adults in Japan and China are highly respected; but that's less true in the US.

For older women, extreme exercise isn't necessary to reap health benefits. 30 minutes of walking a day may be enough to cut the risk of high blood pressure.

On average, older lesbian, gay, and bi adults were more likely to fall into categories for mild cognitive impairment or early dementia, research finds.

Participating in a team sport can lower blood pressure in postmenopausal women, even years after the onset of menopause, a new study shows.

Attitudes about aging differ by gender among older married adults, research finds. One spouse's perspective can affect the other's reality.

Just like people, chimpanzees seek out and value companionship in increasingly positive ways as they grow older, a new study shows.

Using a method originally developed to detect mad cow disease, researchers discovered that a simple skin test can accurately identify Parkinson's disease.

Higher doses of vitamin D, referred to as "hypersufficiency," slows the progression of frailty in mice, a new study shows.

Age-related hearing loss affects more than 200 million adults worldwide, many of whom can't afford hearing aids. New technology aims to fix that.

Children born to moms who had gestational diabetes were "older" than their actual age, a new study shows. They were also at higher risk of health problems.