Older adults who get hearing aids for newly diagnosed hearing loss have a lower risk of dementia, depression, and anxiety diagnoses over the next three years, research finds.

People with greater optimism are more likely to live longer and to achieve "exceptional longevity"—that is, getting to age 85 or older.

On the other hand, divorcees are about twice as likely as married people to develop dementia, the study indicates.

We need to start thinking about our social lives as an important factor for our overall health, an expert argues in this podcast episode.

"...this is another instance where you're seeing that staying physically active affects your overall health and your cognitive health."

More women are drinking alcohol, but there are variationsin drinking depending on age, race, education, marital status, and other factors.

"The brain is not a muscle, but like our bodies, if we work out and train it, we can improve our mental performance."

When recommending vitamin D supplements, doctors should treat each patient's requirements as unique rather than rely on "one-size-fits-all" guidelines.

When an older worker's cognitive abilities and the demands of the job don't suit each other, early retirement becomes more likely.

Even in older adults who don't have issues with memory, it can be tricky to separate relevant memories from irrelevant ones. New research helps explain why.