The Oklahoma City Zoo announced that an Asian elephant was euthanized on Tuesday due to declining health and age-related issues.

Dementia rates in the U.S. could double by 2060 to a million new cases per year, according to a study published on Monday. "Our study results forecast a dramatic rise in the burden from dementia ...

Dementia is a devastating condition that can affect everything from your thinking to your personality. And while you can't always control your risk of developing the disease, new research finds ...