A decline in brain function interfering with daily living isn’t a normal part of aging. Dementia is on the rise, more than ...

We all know someone “old.” But what does “old age” mean, and how much is known about the aging process? The following questions are an excerpt from the National Institute on Aging’s “Aging IQ Test.” ...

Age alone does not fully capture how the human body changes over time. Researchers have developed a biomarker-based approach ...